A005431 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A005431 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`40`
`4`		`672`
`5`		`16128`
`6`		`506880`
`7`		`19768320`
`8`		`922521600`
`9`		`50185175040`
`10`		`3120605429760`
`11`		`218442380083200`
`12`		`17004899126476800`
`13`		`1457562782269440000`
`14`		`136427876420419584000`
`15`		`13847429456672587776000`

[1,1,4,40,672,16128,506880,19768320,922521600, 50185175040,3120605429760,218442380083200, 17004899126476800,1457562782269440000, 136427876420419584000,13847429456672587776000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)