333482

Appears in sequences

• Smallest k >= 2 such that k^(2^n)+1 is the lesser member of a twin prime pair.at n=8A182154
• 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 A384720.at n=33A384722