104353domain: NAppears in sequencesRow sums of triangle A137639.at n=44A137640Numbers k such that prime(k) + 1, ..., prime(k + 5) + 1 have the same number of prime divisors (with multiplicity).at n=21A255193a(n) = 11*a(n-1) - 9*a(n-2) starting a(0)=1, a(1)=10.at n=5A333344