A145499 Partial sums of A156832.

1, 2, 3, 6, 30, 120, 840, 3360, 13440, 134400, 739200, 6652800, 86486400, 778377600, 16345929600, 81729648000, 1389404016000, 12504636144000, 79196028912000, 1267136462592000, 81096733605888000, 3649353012264960000

Offset: 1

Author

Franklin T. Adams-Watters, Feb 17 2009

Keywords

• nonn

Comments

a(n) is the largest divisor of n! such that a(n) - a(n-1) also divides n!.