A220821 - OEIS

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A220821 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`15`
`5`		`240`
`6`		`2604`
`7`		`24180`
`8`		`207732`
`9`		`1710108`
`10`		`13739550`
`11`		`108853512`
`12`		`855732465`
`13`		`6700902804`
`14`		`52395480996`
`15`		`409733313444`
`16`		`3207687963129`
`17`		`25155951725808`
`18`		`197703130100532`
`19`		`1557413160706764`
`20`		`12298597436673711`
`21`		`97359729090421320`
`22`		`772615510913274126`
`23`		`6145842794363133324`

[0,0,0,15,240,2604,24180,207732,1710108,13739550, 108853512,855732465,6700902804,52395480996, 409733313444,3207687963129,25155951725808, 197703130100532,1557413160706764, 12298597436673711,97359729090421320, 772615510913274126,6145842794363133324]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)