A261047 - OEIS

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A261047 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`40`
`4`		`212`
`5`		`1248`
`6`		`8400`
`7`		`63576`
`8`		`540858`
`9`		`5132564`
`10`		`53952742`
`11`		`623324184`
`12`		`7855144818`
`13`		`107224120980`
`14`		`1575511525794`
`15`		`24784246515256`
`16`		`415435624535225`
`17`		`7389692971336602`
`18`		`138992875726543381`
`19`		`2755750468146310688`
`20`		`57433108983590606292`

[1,2,9,40,212,1248,8400,63576,540858,5132564, 53952742,623324184,7855144818,107224120980, 1575511525794,24784246515256,415435624535225, 7389692971336602,138992875726543381, 2755750468146310688,57433108983590606292]

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Last modified August 25 10:00 EDT 2024. Contains 375437 sequences. (Running on oeis4.)