A006604 - OEIS

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A006604 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`13`
`4`		`53`
`5`		`228`
`6`		`1037`
`7`		`4885`
`8`		`23640`
`9`		`116793`
`10`		`586633`
`11`		`2986616`
`12`		`15377097`
`13`		`79927913`
`14`		`418852716`
`15`		`2210503285`
`16`		`11738292397`
`17`		`62673984492`
`18`		`336260313765`
`19`		`1811960161517`
`20`		`9802082905840`
`21`		`53213718977777`
`22`		`289817858570513`
`23`		`1583076422786096`
`24`		`8670574105626961`

[1,1,4,13,53,228,1037,4885,23640,116793,586633, 2986616,15377097,79927913,418852716,2210503285, 11738292397,62673984492,336260313765, 1811960161517,9802082905840,53213718977777, 289817858570513,1583076422786096,8670574105626961]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)