-3080

Appears in sequences

• Expansion of e.g.f.: sech(exp(x)*log(x+1)).at n=8A012280
• G.f.: exp(x) = Product_{n>=1} [1 + a(2n-1)*x^(2n-1)/(2n-1)! + a(2n)*x^(2n)/(2n)! ].at n=8A137941
• Triangle of coefficients of generalized Bernoulli polynomials associated with a Dirichlet character modulus 8.at n=25A151751
• Triangle of coefficients of the polynomials defined by q^binomial(n, 2)*QPochhammer(x, 1/q, n), where q = -2.at n=24A157785
• G.f.: Limit_{K->oo} Sum_{n=-oo..+oo} x^(n-K) * (1 - x^n + n*(n+1)/6 * x^(n+K))^n.at n=31A292177
• Irregular triangle read by rows: universal linear relationships among polynomial means for even degrees.at n=33A293107
• Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: (1/n!)*(numerator of n-th derivative of 1/(1-3x+x^2)).at n=31A328645
• Expansion of Sum_{k>0} k^2 * x^k/(1 + x^k)^3.at n=39A364351