122688domain: NAppears in sequencesa(n) = 14*a(n-1) - 46*a(n-2) for n > 1; a(0) = 3, a(1) = 24.at n=5A163473a(n) = 6*a(n-1) - 8*a(n-2), for n > 2, with a(0) = 1, a(1) = 6, a(2) = 27.at n=8A171475Numbers with prime factorization pq^3r^6.at n=29A190467