2503896domain: NAppears in sequencesa(n) = (n+1)*(n+2)^2*(n+3)*(n+4)*(4*n^2+15*n+15)/720.at n=15A108682a(n) = A000045(n+1)*A000292(n) (product of a Fibonacci number and a tetrahedral number).at n=17A372252