4906137600domain: NAppears in sequences3rd differences of factorial numbers.at n=10A001565Number of permutations p of [n] with p(i) <> i^2.at n=13A187847Number of acyclic orientations of the Turán graph T(n,10).at n=13A267390Eleventh column of Euler's difference table in A068106.at n=12A284207