1781802

Appears in sequences

• 7th differences of factorial numbers.at n=3A023044
• Triangle 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=28A264028
• Fourth column of Euler's difference table in A068106. It is 6 times the sequence A000261.at n=9A277609