Difference between n! and the largest cube < n!.

Terms

a(0) =1a(1) =1a(2) =5a(3) =16a(4) =56a(5) =208a(6) =127a(7) =1016a(8) =4969a(9) =47223a(10) =264979a(11) =789832a(12) =7668081a(13) =4272696a(14) =130217625a(15) =883909125a(16) =9969785792a(17) =52152119144a(18) =128092980744