A088020 a(n) = (n^2)!.

1, 1, 24, 362880, 20922789888000, 15511210043330985984000000, 371993326789901217467999448150835200000000, 608281864034267560872252163321295376887552831379210240000000000

Offset: 0

Author

Hugo Pfoertner, Sep 18 2003

Keywords

• nonn
• easy

Comments

a(n) is the number of ways in which is possible to fill an n X n square matrix with n^2 distinct elements. - Stefano Spezia, Sep 16 2018

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..21
• Index entries for sequences related to tic-tac-toe

Crossrefs

Cf. A000142 (n!), A000290 (n^2).

Cf. A039622, A179268. - Reinhard Zumkeller, Jul 06 2010

Cf. A272094, A272095, A272164.

Programs

GAP

List([0..10],n->Factorial(n^2)); # Muniru A Asiru, Sep 17 2018

Magma

[Factorial(n^2): n in [0..10]]; // Vincenzo Librandi, May 31 2011

Maple

seq(factorial(n^2),n=0..10); # Muniru A Asiru, Sep 17 2018

Mathematica

Table[(n^2)!,{n,0,9}] (* Vladimir Joseph Stephan Orlovsky, May 19 2011 *)

PARI

for(n=0,10,print1((n^2)!,",")) \\ Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 22 2006