44418808968domain: NAppears in sequencesNumber A(n,k) of paths from {0}^k to {n}^k that always move closer to {n}^k; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=40A316674Number of paths from {0}^n to {n}^n that always move closer to {n}^n.at n=4A316677