78954264778domain: NAppears in sequencesArray read by antidiagonals: T(n,k) is the number of nonisomorphic multisets of fixed-point-free endofunctions on an n-set with k endofunctions.at n=60A362899Number of nonisomorphic multisets of fixed-point-free endofunctions on an n-set with n endofunctions.at n=5A362902