a(n) is the sum of the decimal digits of (n!)!.
A301861
a(n) is the sum of the decimal digits of (n!)!.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =81a(5) =783a(6) =7164a(7) =69048a(8) =711009a(9) =7961040a(10) =95935761a(11) =1242436185a(12) =17235507996
External references
- oeis: A301861