-152
domain: Z
Appears in sequences
- Magnetization for square lattice.at n=5A002928
- Reversion of o.g.f. for tangent numbers.at n=3A007314
- Expansion of e.g.f. arctan(arcsin(x) * exp(x)).at n=5A012319
- arctan(arcsinh(x)*arcsin(x))=2/2!*x^2-152/6!*x^6+469152/10!*x^10...at n=1A012602
- tanh(arcsinh(x)*arcsin(x))=2/2!*x^2-152/6!*x^6+227232/10!*x^10...at n=1A012605
- a(n) = 2^n - n^3.at n=6A024013
- Discriminants of quadratic number fields Q(sqrt -n) for n squarefree.at n=24A033197
- 8th differences of primes.at n=13A036269
- Coefficients of the '6th-order' mock theta function 2 mu(q).at n=18A053273
- n - reversal of base 20 digits of n (written in base 10).at n=29A055967
- n - reversal of base 20 digits of n (written in base 10).at n=50A055967
- Image of Euler totient function (A000010) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=18A056228
- McKay-Thompson series of class 20D for Monster.at n=19A058553
- McKay-Thompson series of class 20c for Monster.at n=47A058558
- Sum_{k=1..n} p(k)*mu(k).at n=29A062820
- Alternating sum of primes: a(1) = A000040(1) = 2 and a(n) = a(n-1) + A000040(n)*(-1)^n for n > 1.at n=58A066033
- Expansion of 1/(1+2*x^2-x^3).at n=13A077965
- Expansion of 1/(1+2*x-2*x^2+2*x^3).at n=5A077984
- Expansion of (1-x)/(1+x+2*x^2-x^3).at n=13A078049
- a(n) = (n+1)*(2-n)/2.at n=18A080956