A231221 - OEIS

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A231221 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`17`
`5`		`45`
`6`		`103`
`7`		`264`
`8`		`676`
`9`		`1724`
`10`		`4501`
`11`		`11679`
`12`		`30579`
`13`		`80180`
`14`		`210494`
`15`		`553858`
`16`		`1457853`
`17`		`3840945`
`18`		`10124071`
`19`		`26693522`
`20`		`70402100`
`21`		`185706800`
`22`		`489925347`
`23`		`1292616577`
`24`		`3410640207`
`25`		`8999588762`
`26`		`23747752874`
`27`		`62666069376`
`28`		`165367179091`

[2,4,8,17,45,103,264,676,1724,4501,11679,30579, 80180,210494,553858,1457853,3840945,10124071, 26693522,70402100,185706800,489925347,1292616577, 3410640207,8999588762,23747752874,62666069376, 165367179091]

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Last modified April 19 05:02 EDT 2024. Contains 371782 sequences. (Running on oeis4.)