1091265domain: NAppears in sequencesNear-prime numbers: numbers n such that n-2=prime, n+2=prime, n-4=prime, n+4=prime, n-8=prime, n+8=prime.at n=5A143727Triangle read by rows: T(n,k) is the number of nested cycle partitions of n labeled nodes into k components.at n=49A392471