150152domain: NAppears in sequencesMembers of A143610 for which both neighbors are squarefree.at n=28A166987Numbers k such that k^(2^13) + 1 is prime (a generalized Fermat prime).at n=9A226528Values A such that p=prime(n) satisfies binomial(2p-1, p-1) == 1 + A*p (mod p^4).at n=32A260209