A127225 -id:A127225 - cp's OEIS frontend

A127223 a(n) = (n^2)!/n!.

1, 1, 12, 60480, 871782912000, 129260083694424883200000, 516657398319307246483332566876160000000, 120690846038545150966716699071685590652292228448256000000000

Offset: 0

Artur Jasinski, Jan 09 2007

nonn

Amiram Eldar, Table of n, a(n) for n = 0..21

Cf. A127224, A127225.

Mathematica
```
Table[(n^2)!/(n!), {n, 0, 10}]
```

a(0) = 1 prepended by Peter Luschny, May 20 2019

A127224 a(n) = (n^3)!/n!.

Original entry on oeis.org

1, 1, 20160, 1814811575069725360128000000, 5286955507745173504309724555631728366786063173939383008283412265633946009600000000000000

Offset: 0

Artur Jasinski, Jan 09 2007

nonn

Amiram Eldar, Table of n, a(n) for n = 0..7

Cf. A127223, A127225.

[ Factorial(n^3) / Factorial(n) : n in [0..10]]; // Geoff Bailey (geoff(AT)maths.usyd.edu.au), Mar 22 2009

Mathematica
```
Table[(n^3)!/(n!), {n, 0, 10}]
```

Typo corrected (the last 10 zeros of the fourth entry had erroneously become a separate fifth entry) by Geoff Bailey (geoff(AT)maths.usyd.edu.au), Mar 22 2009

a(0)=1 preprended by Amiram Eldar, Jul 27 2025

cp's OEIS Frontend

A127223 a(n) = (n^2)!/n!.

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