Row sums of A051949 (differences of factorial numbers), seen as a triangle.

A185009

Row sums of A051949 (differences of factorial numbers), seen as a triangle.

Terms

    a(0) =0a(1) =5a(2) =45a(3) =351a(4) =2847a(5) =25047a(6) =241047a(7) =2534247a(8) =28984167a(9) =358842087a(10) =4785978087a(11) =68453274087

External references