A225221 - OEIS

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

A225221 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`2550`
`4`		`8059800`
`5`		`57010275000`
`6`		`801652441590000`
`7`		`20393765925943410000`
`8`		`872251852597491366000000`
`9`		`59194435154364480600630000000`
`10`		`6083868079208428011546743700000000`
`11`		`911478727065442542708032537906700000000`
`12`		`192819174440695429545254134608441231600000000`

[1,0,2,2550,8059800,57010275000,801652441590000, 20393765925943410000,872251852597491366000000, 59194435154364480600630000000, 6083868079208428011546743700000000, 911478727065442542708032537906700000000, 192819174440695429545254134608441231600000000]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)