65668domain: NAppears in sequencesNumbers k such that 463*2^k+1 is prime.at n=23A323201Indices of record high values in A061836.at n=38A333533Largest even k such that h(-k) = 2n, where h(D) is the class number of the quadratic field with discriminant D; or 0 if no such k exists.at n=15A357573