A027315 - OEIS

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A027315 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`20`
`4`		`90`
`5`		`692`
`6`		`5774`
`7`		`48924`
`8`		`417440`
`9`		`3580036`
`10`		`30831756`
`11`		`266463804`
`12`		`2309848194`
`13`		`20074999500`
`14`		`174867895438`
`15`		`1526259877412`
`16`		`13344806416950`
`17`		`116863477094660`
`18`		`1024844657752730`
`19`		`8998915251701628`
`20`		`79108591391227406`
`21`		`696167664755023388`
`22`		`6132277201334483178`

[1,2,6,20,90,692,5774,48924,417440,3580036, 30831756,266463804,2309848194,20074999500, 174867895438,1526259877412,13344806416950, 116863477094660,1024844657752730,8998915251701628, 79108591391227406,696167664755023388, 6132277201334483178]

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Last modified April 24 18:03 EDT 2024. Contains 371962 sequences. (Running on oeis4.)