-2464

Appears in sequences

• Expansion of Product (1 - x^k)^8 in powers of x.at n=41A000731
• sech(sinh(x)+arcsin(x))=1-4/2!*x^2+64/4!*x^4-2464/6!*x^6...at n=3A013043
• Expansion of Product_{m>=1} (1+m*q^m)^-11.at n=7A022703
• Sum at 45 degrees to horizontal in triangle of A081498.at n=55A081499
• G.f.: Product_{m>=1} 1/(1+x^m)^A000009(m).at n=43A089254
• Triangle T(n,k) = A053120(n+2,k)-2*A053120(n+1,k)+A053120(n,k) read by rows, 0<=k<n.at n=51A140876
• Hankel transform of A158500.at n=15A158501
• Triangle T(n,k) which contains 8*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(7 + exp(4*t)) in row n, column k.at n=41A171684
• Expansion of chi(-q) * chi(q^9) / (chi(q) * chi(-q^9)) in powers of q where chi() is a Ramanujan theta function.at n=31A260215
• Expansion of (psi(-q) / f(q^3))^2 in powers of q where psi(), f() are Ramanujan theta functions.at n=31A262930
• Triangle T(n, m) appearing in the expansion of Jacobi's elliptic function sn(u, k) divided by sin(v) in terms of the Jacobi nome q and even powers of 2*cos(v), with v = u/((2/Pi)*K(k)).at n=60A274662
• First differences of A067046.at n=30A291681
• a(n) = [x^n] 1/(1 + x + x^2 + x^3 + x^4)^n.at n=10A350407
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(1 - (1+x)^k).at n=50A369738
• Expansion of e.g.f. exp(1 - (1+x)^4).at n=5A369752