A150121 - OEIS

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A150121 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`20`
`4`		`68`
`5`		`246`
`6`		`890`
`7`		`3282`
`8`		`12264`
`9`		`46038`
`10`		`174702`
`11`		`664952`
`12`		`2543250`
`13`		`9769374`
`14`		`37618194`
`15`		`145377752`
`16`		`562898688`
`17`		`2184186964`
`18`		`8492135236`
`19`		`33064770660`
`20`		`128960010734`
`21`		`503568004634`
`22`		`1968705674518`
`23`		`7705343996134`
`24`		`30185540568274`
`25`		`118367446512154`
`26`		`464517420332362`
`27`		`1824323889609816`

[1,2,6,20,68,246,890,3282,12264,46038,174702, 664952,2543250,9769374,37618194,145377752, 562898688,2184186964,8492135236,33064770660, 128960010734,503568004634,1968705674518, 7705343996134,30185540568274,118367446512154, 464517420332362,1824323889609816]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)