106813

Appears in sequences

• Product_{n>=1} (1 + x^n)^a(n) = g.f. of A001970 (partitions of partitions).at n=45A305841
• Numbers k such that k+i^2, i=0..6 are all semiprimes.at n=14A361262
• E.g.f. A(x) satisfies A(x) = exp(x*A(x)/A(-x*A(x)^2)).at n=6A384982
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384982.at n=34A384985