92246domain: NAppears in sequencesNumber of twin primes < 2^n.at n=23A033843Number of 12-regular partitions of n (no part is a multiple of 12).at n=46A328546Square 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 A384649.at n=52A384653