109362
domain: N
Appears in sequences
- Number of binary strings of length n with equal numbers of 000 and 001 substrings.at n=19A164137
- a(n) = (n + 1)*(6*n^2 + 15*n + 4)/2.at n=32A269232
- 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 A381649.at n=34A381648
- G.f. A(x) satisfies A(x) = 1 + x * A(x)^2 * A(x*A(x)^3)^3.at n=6A381649