A018009 - OEIS

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A018009 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`12`
`4`		`27`
`5`		`62`
`6`		`144`
`7`		`329`
`8`		`754`
`9`		`1728`
`10`		`3956`
`11`		`9057`
`12`		`20736`
`13`		`47473`
`14`		`108687`
`15`		`248832`
`16`		`569683`
`17`		`1304248`
`18`		`2985984`
`19`		`6836196`
`20`		`15650983`
`21`		`35831808`
`22`		`82034361`
`23`		`187811804`
`24`		`429981696`
`25`		`984412342`
`26`		`2253741658`
`27`		`5159780352`
`28`		`11812948114`
`29`		`27044899907`
`30`		`61917364224`

[1,2,5,12,27,62,144,329,754,1728,3956,9057,20736, 47473,108687,248832,569683,1304248,2985984, 6836196,15650983,35831808,82034361,187811804, 429981696,984412342,2253741658,5159780352, 11812948114,27044899907,61917364224]

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Last modified April 18 18:49 EDT 2024. Contains 371781 sequences. (Running on oeis4.)