19104774domain: NAppears in sequences8th differences of factorial numbers.at n=3A023045Triangle read by rows: T(n, k) = Sum_{t=k..n-3} (-1)^(t-k)*(n-t)!*binomial(t,k)*binomial(n-3,t).at n=36A264028Fourth column of Euler's difference table in A068106. It is 6 times the sequence A000261.at n=10A277609