-3240

Appears in sequences

• High temperature series for spin-1/2 Heisenberg specific heat on 2D hexagonal lattice.at n=4A005400
• Expansion of q^(-1/3) * b(q) * c(q) / a(q)^2 in powers of q where a(), b(), c() are cubic AGM theta functions.at n=3A051273
• Coordination sequence for octagonal tiling is a(n)*sqrt(2) + A103909(n).at n=28A103908
• Expansion of eta(q)^9 / eta(q^3)^3 in powers of q.at n=22A109041
• Triangle of coefficients associate with the expansion of the K_3 graph matric characteristic polynomial as a Sheffer sequence: M = {{0, 1, 1}, {1, 0, 1}, {1, 1, 0}} f(t)=-t^3+3t+2 p(x,t)=Exp[x,t)/(2*t^3+3*t^2-1)=exp(x*t)(t^3*f(1/t)).at n=23A137943
• Triangle read by rows: terms T(n,k) of a binomial decomposition of n*(n-1) as Sum(k=0..n)T(n,k).at n=24A244139
• Triangle read by rows in which row n gives coefficients of polynomial f_n(x) of degree less than n that satisfies Integral_{x=0..1} g(t - x) * f_n(x) dx = g(t) for any polynomial g(x) of degree less than n.at n=37A303699
• Expansion of Product_{k>=1} (1 - x^k)^(2*k-1).at n=24A319669