OFFSET
0,4
COMMENTS
Term a(5) has 199 decimal digits. - Michael De Vlieger, Mar 31 2015
EXAMPLE
a(3) = (3!)! - 3! - 1 = 720 - 6 - 1 = 713.
MATHEMATICA
Table[(n!)! - n! - 1, {n, 0, 5}] (* Michael De Vlieger, Mar 31 2015 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Assoul Abdelkarim, Mar 31 2015
STATUS
approved