A055220 - OEIS

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A055220 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`28`
`3`		`113`
`4`		`423`
`5`		`1507`
`6`		`5193`
`7`		`17469`
`8`		`57720`
`9`		`188098`
`10`		`606336`
`11`		`1937490`
`12`		`6146895`
`13`		`19386189`
`14`		`60836271`
`15`		`190104957`
`16`		`591899346`
`17`		`1837128933`
`18`		`5686494333`
`19`		`17559366768`
`20`		`54107166250`
`21`		`166412478896`
`22`		`510963917688`
`23`		`1566546588694`

[1,6,28,113,423,1507,5193,17469,57720,188098, 606336,1937490,6146895,19386189,60836271, 190104957,591899346,1837128933,5686494333, 17559366768,54107166250,166412478896,510963917688, 1566546588694]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)