-264

Appears in sequences

• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^6 in powers of x.at n=16A001484
• Expansion of sqrt(1 - 4*x) in powers of x.at n=7A002420
• Nearest integer to -4n/Bernoulli(2n).at n=5A003245
• a(n) = floor((-4n)/Bernoulli(2n)).at n=5A003264
• a(n) = ceiling((-4n)/Bernoulli(2n)).at n=5A003272
• Expansion of exp(tanh(x))/cosh(x).at n=7A009265
• sin(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+38/6!*x^6-264/8!*x^8...at n=3A012433
• arcsinh(arctan(x)*arcsin(x))=2/2!*x^2-4/4!*x^4+38/6!*x^6-264/8!*x^8...at n=3A012438
• Expansion of e.g.f. tanh(exp(x) - sec(x)).at n=8A013335
• Eisenstein series E_10(q) (alternate convention E_5(q)).at n=1A013974
• Expansion of Product_{m >= 1} (1 + q^m)^(-2).at n=27A022597
• Expansion of eta(q^2)^12 / theta_3(q)^3 in powers of q.at n=33A029769
• Expansion of q^(-1/2) * (eta(q) * eta(q^2))^4 in powers of q.at n=31A030211
• Discriminants of quadratic number fields Q(sqrt -n) for n squarefree.at n=40A033197
• Matrix inverse of A048804.at n=46A048805
• McKay-Thompson series of class 42B for Monster.at n=53A058672
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 4.at n=34A060023
• Determinant of n X n matrix of form : [1 2 1 0 0 0 0 0 0 0 / 2 1 2 1 0 0 0 0 0 0 / 1 2 1 2 1 0 0 0 0 0 / 0 1 2 1 2 1 0 0 0 0 / 0 0 1 2 1 2 1 0 0 0 / 0 0 0 1 2 1 2 1 0 0 / 0 0 0 0 1 2 1 2 1 0 / 0 0 0 0 0 1 2 1 2 1 / 0 0 0 0 0 0 1 2 1 2 / 0 0 0 0 0 0 0 1 2 1].at n=8A071534
• Expansion of x/B(x) where B(x) is the g.f. for A002487.at n=61A073469
• Expansion of (1-x)^(-1)/(1-x^2+x^3).at n=25A077883