A053871 - OEIS

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

A053871 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`8`
`4`		`60`
`5`		`544`
`6`		`6040`
`7`		`79008`
`8`		`1190672`
`9`		`20314880`
`10`		`387099936`
`11`		`8148296320`
`12`		`187778717632`
`13`		`4702248334848`
`14`		`127140703364480`
`15`		`3691602647581184`
`16`		`114562300528369920`
`17`		`3784124901630435328`
`18`		`132555364873399378432`
`19`		`4908221631901073295360`
`20`		`191549525877429961604096`

[1,0,2,8,60,544,6040,79008,1190672,20314880, 387099936,8148296320,187778717632,4702248334848, 127140703364480,3691602647581184, 114562300528369920,3784124901630435328, 132555364873399378432,4908221631901073295360, 191549525877429961604096]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)