A220191 - OEIS

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A220191 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`25`
`4`		`88`
`5`		`297`
`6`		`1009`
`7`		`3464`
`8`		`11908`
`9`		`40900`
`10`		`140420`
`11`		`482098`
`12`		`1655276`
`13`		`5683418`
`14`		`19514012`
`15`		`67001232`
`16`		`230048192`
`17`		`789868912`
`18`		`2712009916`
`19`		`9311668340`
`20`		`31971552436`
`21`		`109774116312`
`22`		`376908710416`
`23`		`1294113595256`
`24`		`4443330573456`
`25`		`15256146488528`

[2,6,25,88,297,1009,3464,11908,40900,140420, 482098,1655276,5683418,19514012,67001232, 230048192,789868912,2712009916,9311668340, 31971552436,109774116312,376908710416, 1294113595256,4443330573456,15256146488528]

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Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)