Numbers n such that n divides Sum_{m=1..n} (m+1)!.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =31a(5) =62a(6) =124a(7) =248a(8) =373a(9) =746a(10) =1492a(11) =2984a(12) =11563a(13) =23126a(14) =46252a(15) =92504