-56

Appears in sequences

• Expansion of Product_{k >= 1} (1 - x^k)^4.at n=71A000727
• The negative integers.at n=55A001478
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^8 in powers of x.at n=3A001486
• a(n) = -n.at n=56A001489
• E.g.f. sin(sinh(x)) (odd powers only).at n=3A003722
• Expansion of bracket function.at n=3A006090
• E.g.f. is the logarithmic derivative of e.g.f. for Pell numbers [1, 0, 1, 2, 5, ...].at n=5A006673
• Percolation series for directed square lattice.at n=6A006835
• Expansion of e.g.f. cos(sinh(x))/cos(x), even terms only.at n=3A009058
• Expansion of e.g.f. cos(sinh(x))/exp(x).at n=6A009059
• Expansion of e.g.f. cos(tanh(x))/cos(x), even powers only.at n=3A009089
• Expansion of e.g.f. cos(tanh(x))/exp(x).at n=6A009090
• Expansion of e.g.f. cos(x)*cos(log(1+x)).at n=6A009097
• Expansion of cosh(tan(x))/exp(x).at n=5A009161
• Expansion of e.g.f.: exp(sin(x))/exp(x).at n=8A009209
• Expansion of e.g.f.: exp(x)/cosh(sin(x)).at n=6A009295
• Expansion of exp(x)/cosh(tan(x)).at n=6A009297
• E.g.f. log(1+sin(x))*exp(x).at n=8A009334
• Expansion of e.g.f.: log(1 + tanh(x))*exp(x).at n=8A009390
• Expansion of e.g.f.: log(1 + tanh(x))*exp(x).at n=7A009390