OFFSET
0,3
COMMENTS
For n>0, a(n) is divisible by n. - Michel Marcus, Apr 08 2015
EXAMPLE
For n=3, a(3) = (3!)!-3!-3 = 6!-6-3 = 720-9 = 711.
MAPLE
MATHEMATICA
Table[(n!)! - n! - n, {n, 5}] (* Michael De Vlieger, Apr 07 2015 *)
PROG
(Magma) [Factorial(Factorial(n))-Factorial(n)-n: n in [0..5]]; // Vincenzo Librandi, Apr 08 2015
(Sage) [factorial(factorial(n))-factorial(n)-n for n in [0..6]] # Bruno Berselli, Apr 08 2015
CROSSREFS
KEYWORD
sign
AUTHOR
Assoul Abdelkarim, Apr 07 2015
STATUS
approved