A038112 - OEIS

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A038112 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`40`
`4`		`190`
`5`		`924`
`6`		`4578`
`7`		`22968`
`8`		`116325`
`9`		`593450`
`10`		`3045185`
`11`		`15699840`
`12`		`81260816`
`13`		`421993040`
`14`		`2197653240`
`15`		`11472991008`
`16`		`60023749566`
`17`		`314621200260`
`18`		`1651883008050`
`19`		`8685998428800`
`20`		`45734484854520`
`21`		`241098942106440`
`22`		`1272406536645660`

[1,2,9,40,190,924,4578,22968,116325,593450, 3045185,15699840,81260816,421993040,2197653240, 11472991008,60023749566,314621200260, 1651883008050,8685998428800,45734484854520, 241098942106440,1272406536645660]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)