803985domain: NAppears in sequencesa(n) = (6*n+1)*(6*n+3)*(6*n+5).at n=15A001520a(n)= product of all odd composite numbers between n-th prime and (n+1)-st prime.at n=23A061215a(n) = (5*n+1)*(5*n+3)*(5*n+5).at n=18A079610a(n) = (4*n+3)*(4*n+5)*(4*n+7).at n=22A133767Products of 6 distinct odd primes.at n=27A168352