Sum of proper divisors of n!: a(n) = sigma(n!) - n!.
A153824
Sum of proper divisors of n!: a(n) = sigma(n!) - n!.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =6a(4) =36a(5) =240a(6) =1698a(7) =14304a(8) =118800a(9) =1118160a(10) =11705288a(11) =144092256a(12) =1738439808a(13) =24817158912a(14) =355309325280
External references
- oeis: A153824