A109438 - OEIS

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A109438 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`18`
`3`		`68`
`4`		`253`
`5`		`945`
`6`		`3526`
`7`		`13160`
`8`		`49113`
`9`		`183293`
`10`		`684058`
`11`		`2552940`
`12`		`9527701`
`13`		`35557865`
`14`		`132703758`
`15`		`495257168`
`16`		`1848324913`
`17`		`6898042485`
`18`		`25743845026`
`19`		`96077337620`
`20`		`358565505453`
`21`		`1338184684193`
`22`		`4994173231318`
`23`		`18638508241080`

[1,5,18,68,253,945,3526,13160,49113,183293,684058, 2552940,9527701,35557865,132703758,495257168, 1848324913,6898042485,25743845026,96077337620, 358565505453,1338184684193,4994173231318, 18638508241080]

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Last modified May 1 13:37 EDT 2024. Contains 372172 sequences. (Running on oeis4.)