-11

Appears in sequences

• Coefficients of the 3rd-order mock theta function f(q).at n=12A000025
• Coefficient of q^(2n) in the series expansion of Ramanujan's mock theta function f(q).at n=6A000039
• Expansion of Product_{k >= 1} (1 - x^k)^4.at n=20A000727
• Canonical enumeration of integers: interleaved positive and negative integers with zero prepended.at n=22A001057
• The negative integers.at n=10A001478
• a(n) = -n.at n=11A001489
• a(0) = 1, a(1) = 0, a(2) = -1; for n >= 3, a(n) = - a(n-2) + Sum_{ primes p with 3 <= p <= n} a(n-p).at n=19A002121
• Glaisher's chi numbers. a(n) = chi(4*n + 1).at n=30A002171
• Expansion of (eta(q) * eta(q^7))^3 in powers of q.at n=15A002656
• Sum of logarithmic numbers.at n=4A002743
• Power series expansion of the Rogers-Ramanujan continued fraction 1+x/(1+x^2/(1+x^3/(1+x^4/(1+...)))).at n=37A003823
• Coefficients of modular function G_2(tau).at n=7A005760
• Coefficients of modular function G_2(tau).at n=13A005760
• Coefficients of the '2nd-order' mock theta function mu(q).at n=13A006306
• Real part of (1 + 2*i)^n, where i is sqrt(-1).at n=3A006495
• G.f.: Product_{k>0} (1-x^(5k-1))*(1-x^(5k-4))/((1-x^(5k-2))*(1-x^(5k-3))).at n=34A007325
• Triangle of coefficients of Chebyshev polynomials T_n(x).at n=36A008310
• Expansion of e.g.f: (1+x)*cos(x).at n=11A009001
• Expansion of E.g.f.: cos(cosh(x)*x) (even powers only).at n=2A009016
• Expansion of e.g.f.: cos(log(1+x))/cos(x).at n=4A009025