213289domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers n such that p(n) + p(n+1) is a square and n is prime.at n=15A064398a(n) = Sum_{p in P} (Sum_{k_j = 1} 1)^2, where P is the set of partitions of n, and the k_j are the frequencies in p.at n=38A302300Prime numbersat n=19073