128273domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 1 + (26*n+17+7*n^2)*n/2.at n=32A095796Primes of the form 2k^2 + k + 2.at n=33A249606Numerators of lower primes-only best approximates (POBAs) to e; see Comments.at n=18A265814Prime numbersat n=12008