3616704domain: NAppears in sequencesQuintuple factorial numbers: Product_{k=0..n-1} (5*k+3).at n=6A047056Quintuple factorials, 5-factorials, n!!!!!, n!5.at n=28A085157Triangle T(n, k) = Product_{j=0..k} (j*n + prime(m)), with T(n, 0) = prime(m) and m = 2, read by rows.at n=20A153270