328233domain: NAppears in sequencesa(n) = (6*n+1)*(6*n+3)*(6*n+5).at n=11A001520a(n) = (2*n+1)*(2*n+3)*(2*n+5).at n=33A061550a(n) = (4*n+3)*(4*n+5)*(4*n+7).at n=16A133767