A213065 a(n) = n^n! - n!^n.

-1, 0, 0, 513, 281474976378880

Offset

0,4

Comments

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

Links

Table of n, a(n) for n=0..4.

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

Cf. A036740, A053986.

Sequence in context: A291507 A275099 A238615 * A045054 A301547 A229331

Adjacent sequences: A213062 A213063 A213064 * A213066 A213067 A213068

Keyword

sign

Author

Pratik Jain, Jun 04 2012

Status

approved