A053986 a(n) = n^(n!).

0, 1, 4, 729, 281474976710656, 752316384526264005099991383822237233803945956334136013765601092018187046051025390625

Offset: 0

Author

Henry Bottomley, Apr 03 2000

Keywords

• easy
• nonn

Comments

Next term has 561 digits.

Examples

			a(3) = 729 because 3^3! = 3^6 = 729.
		

Crossrefs

Cf. A036740, A050923, A100084.

Programs

Mathematica

Table[n^n!, {n, 0, 5}] (* Alonso del Arte, Jan 03 2011 *)

Maxima

makelist(n^n!,n,0,6); /* Martin Ettl, Jan 13 2013 */

Formula

Sum_{n>=1} 1/a(n) = A100084. - Amiram Eldar, Nov 11 2020

Extensions

One more term from Lior Manor, Nov 27 2001