Sequences

392,541 sequences

Expansion of e.g.f. cos(sinh(x)*exp(x)).A009061
Expansion of e.g.f. cos(sinh(x)*exp(x)).
Expansion of e.g.f.: cos(sinh(x)*log(1+x)).A009062
Expansion of e.g.f.: cos(sinh(x)*log(1+x)).
Expansion of e.g.f. cos(sinh(x)*sin(x)) in powers of x^4.A009063
Expansion of e.g.f. cos(sinh(x)*sin(x)) in powers of x^4.
Expansion of e.g.f. cos(sinh(x)/cos(x)), even powers only.A009064
Expansion of e.g.f. cos(sinh(x)/cos(x)), even powers only.
Expansion of e.g.f. cos(tan(log(1+x))).A009065
Expansion of e.g.f. cos(tan(log(1+x))).
Expansion of e.g.f. cos(tan(sin(x))), even terms only.A009066
Expansion of e.g.f. cos(tan(sin(x))), even terms only.
Expansion of e.g.f. cos(tan(sinh(x))), even terms only.A009067
Expansion of e.g.f. cos(tan(sinh(x))), even terms only.
Expansion of e.g.f. cos(tan(tan(x))), even terms only.A009068
Expansion of e.g.f. cos(tan(tan(x))), even terms only.
Expansion of e.g.f. cos(tan(tanh(x))), even terms only.A009069
Expansion of e.g.f. cos(tan(tanh(x))), even terms only.
Ordered sides of Pythagorean triangles.A009070
Ordered sides of Pythagorean triangles.
Expansion of e.g.f. cos(tan(x))*x, odd terms only.A009071
Expansion of e.g.f. cos(tan(x))*x, odd terms only.
Expansion of e.g.f. cos(tan(x))/cos(x), even-indexed terms only.A009072
Expansion of e.g.f. cos(tan(x))/cos(x), even-indexed terms only.
Expansion of e.g.f. cos(tan(x))/cosh(x), even terms only.A009073
Expansion of e.g.f. cos(tan(x))/cosh(x), even terms only.
Expansion of e.g.f. cos(tan(x))/exp(x).A009074
Expansion of e.g.f. cos(tan(x))/exp(x).
Expansion of e.g.f. cos(tan(x)*cosh(x)), even terms only.A009075
Expansion of e.g.f. cos(tan(x)*cosh(x)), even terms only.
Expansion of e.g.f. cos(tan(x)*exp(x)).A009076
Expansion of e.g.f. cos(tan(x)*exp(x)).
Expansion of e.g.f. cos(tan(x)*log(1+x)).A009077
Expansion of e.g.f. cos(tan(x)*log(1+x)).
Expansion of e.g.f. cos(tan(x)*sin(x)) (even powers only).A009078
Expansion of e.g.f. cos(tan(x)*sin(x)) (even powers only).
Expansion of e.g.f. cos(tan(x)*sinh(x)), even powers only.A009079
Expansion of e.g.f. cos(tan(x)*sinh(x)), even powers only.
Expansion of e.g.f. cos(x*tan(x)), even terms only.A009080
Expansion of e.g.f. cos(x*tan(x)), even terms only.
E.g.f. is cos(tan(x)/cos(x)), coefficients of even powers of x.A009081
E.g.f. is cos(tan(x)/cos(x)), coefficients of even powers of x.
Expansion of e.g.f. cos(tan(x)/cosh(x)), even terms only.A009082
Expansion of e.g.f. cos(tan(x)/cosh(x)), even terms only.
Expansion of e.g.f. cos(tan(x)^2) (even powers only).A009083
Expansion of e.g.f. cos(tan(x)^2) (even powers only).
Expansion of e.g.f.: cos(tanh(log(1+x))).A009084
Expansion of e.g.f.: cos(tanh(log(1+x))).
Expansion of e.g.f. cos(tanh(sin(x))), even powers only.A009085
Expansion of e.g.f. cos(tanh(sin(x))), even powers only.
Expansion of e.g.f. cos(tanh(tan(x))), even powers only.A009086
Expansion of e.g.f. cos(tanh(tan(x))), even powers only.
Numbers whose number of divisors is prime (i.e., numbers of the form p^(q-1) for primes p,q).A009087
Numbers whose number of divisors is prime (i.e., numbers of the form p^(q-1) for primes p,q).
Expansion of e.g.f. x*cos(tanh(x)), odd powers only.A009088
Expansion of e.g.f. x*cos(tanh(x)), odd powers only.
Expansion of e.g.f. cos(tanh(x))/cos(x), even powers only.A009089
Expansion of e.g.f. cos(tanh(x))/cos(x), even powers only.
Expansion of e.g.f. cos(tanh(x))/exp(x).A009090
Expansion of e.g.f. cos(tanh(x))/exp(x).
Expansion of e.g.f. cos(tanh(x)*cos(x)), even powers only.A009091
Expansion of e.g.f. cos(tanh(x)*cos(x)), even powers only.
Expansion of e.g.f. cos(tanh(x)*exp(x)).A009092
Expansion of e.g.f. cos(tanh(x)*exp(x)).
Expansion of e.g.f. cos(tanh(x)*log(1+x)).A009093
Expansion of e.g.f. cos(tanh(x)*log(1+x)).
Expansion of e.g.f. cos(tanh(x)*tan(x)) (only powers that are multiples of 4).A009094
Expansion of e.g.f. cos(tanh(x)*tan(x)) (only powers that are multiples of 4).
Expansion of e.g.f. cos(tanh(x)/cos(x)), even powers only.A009095
Expansion of e.g.f. cos(tanh(x)/cos(x)), even powers only.
Ordered perimeters of Pythagorean triangles, listed with multiplicity.A009096
Ordered perimeters of Pythagorean triangles, listed with multiplicity.
Expansion of e.g.f. cos(x)*cos(log(1+x)).A009097
Expansion of e.g.f. cos(x)*cos(log(1+x)).
Expansion of e.g.f. cos(x)*cos(sinh(x)), even powers only.A009098
Expansion of e.g.f. cos(x)*cos(sinh(x)), even powers only.
Expansion of e.g.f. cos(x)*cos(tan(x)), even powers only.A009099
Expansion of e.g.f. cos(x)*cos(tan(x)), even powers only.
Expansion of e.g.f. cos(x)*cos(tanh(x)), even powers only.A009100
Expansion of e.g.f. cos(x)*cos(tanh(x)), even powers only.
Fixed point when iterating the function f on n, where f(x) = x + product of digits of x.A009101
Fixed point when iterating the function f on n, where f(x) = x + product of digits of x.
Expansion of e.g.f. cos(x)/(1+x).A009102
Expansion of e.g.f. cos(x)/(1+x).
Expansion of e.g.f. cos(x)/cos(log(1+x)).A009103
Expansion of e.g.f. cos(x)/cos(log(1+x)).
Expansion of e.g.f. cos(x)/cos(sin(x)), even powers only.A009104
Expansion of e.g.f. cos(x)/cos(sin(x)), even powers only.
Expansion of e.g.f. cos(x)/cos(sinh(x)), even powers only.A009105
Expansion of e.g.f. cos(x)/cos(sinh(x)), even powers only.
Expansion of e.g.f. cos(x)/cos(tan(x)), even powers only.A009106
Expansion of e.g.f. cos(x)/cos(tan(x)), even powers only.
Expansion of e.g.f. cos(x)/cos(tanh(x)), even powers only.A009107
Expansion of e.g.f. cos(x)/cos(tanh(x)), even powers only.
Expansion of e.g.f. cos(x)/cosh(log(1+x)).A009108
Expansion of e.g.f. cos(x)/cosh(log(1+x)).
Expansion of e.g.f. cos(x)/cosh(sin(x)), even powers only.A009109
Expansion of e.g.f. cos(x)/cosh(sin(x)), even powers only.
Expansion of e.g.f. cos(x)/cosh(tan(x)), even powers only.A009110
Expansion of e.g.f. cos(x)/cosh(tan(x)), even powers only.