A213065 - OEIS

A213065

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

-1, 0, 0, 513, 281474976378880

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OFFSET

0,4

COMMENTS

For n=5 term is of 84 digits: 7.52316... * 10^83.

LINKS

EXAMPLE

for n=3, a(3) = 3^3! - 3!^3 = 513.

MATHEMATICA

Table[n^n! - n!^n, {n, 0, 4}] (* T. D. Noe, Jun 04 2012 *)

CROSSREFS

KEYWORD

sign

AUTHOR

Pratik Jain, Jun 04 2012

STATUS

approved