A143340 - OEIS

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A143340 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`15`
`4`		`84`
`5`		`402`
`6`		`2520`
`7`		`13339`
`8`		`88484`
`9`		`494814`
`10`		`3395816`
`11`		`19657398`
`12`		`137999048`
`13`		`818024484`
`14`		`5836517808`
`15`		`35201610387`
`16`		`254231733188`
`17`		`1553691459558`
`18`		`11327637588552`
`19`		`69948932919906`
`20`		`513856752260184`
`21`		`3199802098978428`

[1,1,4,15,84,402,2520,13339,88484,494814,3395816, 19657398,137999048,818024484,5836517808, 35201610387,254231733188,1553691459558, 11327637588552,69948932919906,513856752260184, 3199802098978428]

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Last modified May 15 08:34 EDT 2024. Contains 372538 sequences. (Running on oeis4.)