A220712 - OEIS

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A220712 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`21`
`4`		`129`
`5`		`932`
`6`		`6412`
`7`		`44976`
`8`		`311193`
`9`		`2168111`
`10`		`15034974`
`11`		`104478616`
`12`		`725286308`
`13`		`5037269200`
`14`		`34977393156`
`15`		`242898931716`
`16`		`1686719471828`
`17`		`11713075485508`
`18`		`81338093590180`
`19`		`564832581201972`
`20`		`3922330554994484`
`21`		`27237632538545092`

[1,1,21,129,932,6412,44976,311193,2168111, 15034974,104478616,725286308,5037269200, 34977393156,242898931716,1686719471828, 11713075485508,81338093590180,564832581201972, 3922330554994484,27237632538545092]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)