A201821 - OEIS

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A201821 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`4`
`5`		`13`
`6`		`44`
`7`		`213`
`8`		`344`
`9`		`5344`
`10`		`50213`
`11`		`205344`
`12`		`350213`
`13`		`1350213`
`14`		`4205344`
`15`		`21350213`
`16`		`34205344`
`17`		`221350213`
`18`		`334205344`
`19`		`2221350213`
`20`		`3334205344`
`21`		`52221350213`
`22`		`152221350213`
`23`		`403334205344`
`24`		`5152221350213`
`25`		`55152221350213`
`26`		`155152221350213`
`27`		`400403334205344`

[0,1,3,4,13,44,213,344,5344,50213,205344,350213, 1350213,4205344,21350213,34205344,221350213, 334205344,2221350213,3334205344,52221350213, 152221350213,403334205344,5152221350213, 55152221350213,155152221350213,400403334205344]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)