A215629 - OEIS

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A215629 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`9`
`4`		`80`
`5`		`660`
`6`		`6714`
`7`		`77084`
`8`		`1005640`
`9`		`14572944`
`10`		`233086920`
`11`		`4066783512`
`12`		`76906345944`
`13`		`1566049091568`
`14`		`34153725715368`
`15`		`793996577407560`
`16`		`19595885746343808`
`17`		`511550462381982528`
`18`		`14080034085212120256`
`19`		`407434430977558009344`
`20`		`12363449947108075756800`

[1,1,2,9,80,660,6714,77084,1005640,14572944, 233086920,4066783512,76906345944,1566049091568, 34153725715368,793996577407560,19595885746343808, 511550462381982528,14080034085212120256, 407434430977558009344,12363449947108075756800]

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Last modified September 18 15:45 EDT 2024. Contains 376000 sequences. (Running on oeis4.)