A002571 - OEIS

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A002571 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`5`
`3`		`10`
`4`		`30`
`5`		`74`
`6`		`199`
`7`		`515`
`8`		`1355`
`9`		`3540`
`10`		`9276`
`11`		`24276`
`12`		`63565`
`13`		`166405`
`14`		`435665`
`15`		`1140574`
`16`		`2986074`
`17`		`7817630`
`18`		`20466835`
`19`		`53582855`
`20`		`140281751`
`21`		`367262376`
`22`		`961505400`
`23`		`2517253800`
`24`		`6590256025`
`25`		`17253514249`
`26`		`45170286749`
`27`		`118257345970`

[1,5,10,30,74,199,515,1355,3540,9276,24276,63565, 166405,435665,1140574,2986074,7817630,20466835, 53582855,140281751,367262376,961505400,2517253800, 6590256025,17253514249,45170286749,118257345970]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)