A001434 - OEIS

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A001434 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`2`
`5`		`6`
`6`		`21`
`7`		`65`
`8`		`221`
`9`		`771`
`10`		`2769`
`11`		`10250`
`12`		`39243`
`13`		`154658`
`14`		`628635`
`15`		`2632420`
`16`		`11353457`
`17`		`50411413`
`18`		`230341716`
`19`		`1082481189`
`20`		`5228952960`
`21`		`25945377057`
`22`		`132140242356`
`23`		`690238318754`
`24`		`3694876952577`
`25`		`20252697246580`
`26`		`113578669178222`
`27`		`651178533855913`
`28`		`3813856010041981`

[1,0,0,1,2,6,21,65,221,771,2769,10250,39243, 154658,628635,2632420,11353457,50411413,230341716, 1082481189,5228952960,25945377057,132140242356, 690238318754,3694876952577,20252697246580, 113578669178222,651178533855913,3813856010041981]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)