64688
domain: N
Appears in sequences
- a(n) = a(n-1) + a(n-2) + 1, with a(0)=3, a(1)=12.at n=19A022411
- Susceptibility series H_3 for 2-dimensional Ising model (divided by 2).at n=24A054410
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A381568.at n=43A381567
- G.f. A(x) satisfies A(x) = (1 + x*A(x*A(x)))^2.at n=7A381568