60113domain: NAppears in sequencesa(n) = 52*n^2 + 1.at n=34A158644Odd numbers m such that for all 2^k < m the numbers m + 2^k, m - 2^k, m*2^k + 1, and m*2^k - 1 are composite, with k >= 1.at n=8A256163Number of integer partitions of n with no difference -2.at n=48A350842