7791168domain: NAppears in sequencesa(n) = (n + 4)*(n + 3)*(n + 2)*(n + 1)*n / 5 = 24*A000389(n+4).at n=31A158874Triangle of Generalized Runyon numbers R_{n,k}^(4) read by rows.at n=42A173621Number of triangulations of a fixed hexagon with n internal nodes.at n=7A341854