OFFSET
0,3
COMMENTS
Next term: 857817775342842654119...0 (507 digits). - Vladimir Joseph Stephan Orlovsky, Dec 03 2008
FORMULA
EXAMPLE
a(0) = (0^0)! = 1! = 1;
a(1) = (1^1)! = 1! = 1;
a(2) = (2^2)! = 4! = 24;
a(3) = (3^3)! = 27! = 10888869450418352160768000000.
MATHEMATICA
a[n_]:=(n^n)!; (* Vladimir Joseph Stephan Orlovsky, Dec 03 2008 *)
PROG
(Magma) [Factorial(n^n): n in [0..5]]; // Vincenzo Librandi, Jan 20 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Henry Bottomley, Feb 26 2002
STATUS
approved