A019514 -id:A019514 - cp's OEIS frontend

A036739 a(n) = (n!)^n+1.

2, 2, 5, 217, 331777, 24883200001, 139314069504000001, 82606411253903523840000001, 6984964247141514123629140377600000001, 109110688415571316480344899355894085582848000000001, 395940866122425193243875570782668457763038822400000000000000000001

Offset: 0

G. L. Honaker, Jr.

nonn

Seiichi Manyama, Table of n, a(n) for n = 0..30

Cf. A019514, A020549, A036740, A038507.

List([0..11],n->Factorial(n)^n+1); # Muniru A Asiru, Mar 19 2018

seq(factorial(n)^n+1,n=0..11); # Muniru A Asiru, Mar 19 2018

Table[(n!)^n+1,{n,0,10}] (* Harvey P. Dale, Apr 10 2012 *)

a(n) = (n!)^n + 1; \\ Altug Alkan, Mar 19 2018

a(n) ~ (2*Pi)^(n/2) * n^(n^2 + n/2) / exp(n^2 - 1/12). - Vaclav Kotesovec, Mar 19 2018

One more term from Harvey P. Dale, Apr 10 2012

A046033 a(n) = (n!)^3 - 1.

Original entry on oeis.org

0, 7, 215, 13823, 1727999, 373247999, 128024063999, 65548320767999, 47784725839871999, 47784725839871999999, 63601470092869631999999, 109903340320478724095999999, 241457638684091756838911999999

Offset: 1

Eric W. Weisstein

Vincenzo Librandi, Table of n, a(n) for n = 1..100
Eric Weisstein's World of Mathematics, Factorial

Cf. A019514.

[Factorial(n)^3-1: n in [1..15]]; // Vincenzo Librandi, Mar 25 2014

seq((n!)^3-1, n=1..20); # Robert Israel, Feb 05 2018

(Range[20]!)^3-1 (* Harvey P. Dale, Mar 24 2014 *)

From Robert Israel, Feb 05 2018: (Start)
a(n+1)+1 = (a(n)+1)*(n+1)^3.
-(n^2+5*n+7)*(n+1)^4*a(n)+(n^2+3*n+1)*(n^4+6*n^3+14*n^2+15*n+7)*a(n+1)-n*(n^2+3*n+3)*a(n+2) = 0. (End)

cp's OEIS Frontend

A036739 a(n) = (n!)^n+1.

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