A030520 - OEIS

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A030520 as a simple table

`n`		`a(n)`
`2`		`0`
`3`		`1`
`4`		`5`
`5`		`20`
`6`		`82`
`7`		`335`
`8`		`1402`
`9`		`5949`
`10`		`25652`
`11`		`111963`
`12`		`494157`
`13`		`2201270`
`14`		`9886034`
`15`		`44712737`
`16`		`203489627`
`17`		`931191850`
`18`		`4282171470`
`19`		`19778577235`
`20`		`91715812335`
`21`		`426824400684`
`22`		`1992828161414`
`23`		`9332192498397`
`24`		`43821128181652`
`25`		`206288470970025`
`26`		`973361629499032`
`27`		`4602638827207605`

[0,1,5,20,82,335,1402,5949,25652,111963,494157, 2201270,9886034,44712737,203489627,931191850, 4282171470,19778577235,91715812335,426824400684, 1992828161414,9332192498397,43821128181652, 206288470970025,973361629499032,4602638827207605]

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Last modified April 25 05:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)