17360406domain: NAppears in sequencesProduct of nonzero digits of A066549(n).at n=17A066582Triangle read by rows: T(n,k) (0 <= k <= n) = k!*(Stirling2(n,k)+(k+1)*Stirling2(n,k+1))^2.at n=31A334689Record values in A085908.at n=37A376280