A002630 - OEIS

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A002630 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`2`
`6`		`12`
`7`		`71`
`8`		`481`
`9`		`3708`
`10`		`32028`
`11`		`306723`
`12`		`3228804`
`13`		`37080394`
`14`		`461569226`
`15`		`6192527700`
`16`		`89102492915`
`17`		`1369014167140`
`18`		`22373840093040`
`19`		`387602212164321`
`20`		`7095737193164187`
`21`		`136885937242792752`
`22`		`2775675888994318366`
`23`		`59023506305591628101`
`24`		`1313445236142071926488`

[0,0,0,1,2,12,71,481,3708,32028,306723,3228804, 37080394,461569226,6192527700,89102492915, 1369014167140,22373840093040,387602212164321, 7095737193164187,136885937242792752, 2775675888994318366,59023506305591628101, 1313445236142071926488]

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Last modified August 29 22:07 EDT 2024. Contains 375518 sequences. (Running on oeis4.)