A018011 - OEIS

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A018011 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`6`
`3`		`12`
`4`		`28`
`5`		`63`
`6`		`144`
`7`		`330`
`8`		`755`
`9`		`1728`
`10`		`3957`
`11`		`9058`
`12`		`20736`
`13`		`47474`
`14`		`108688`
`15`		`248832`
`16`		`569684`
`17`		`1304249`
`18`		`2985984`
`19`		`6836197`
`20`		`15650984`
`21`		`35831808`
`22`		`82034362`
`23`		`187811805`
`24`		`429981696`
`25`		`984412343`
`26`		`2253741659`
`27`		`5159780352`
`28`		`11812948115`
`29`		`27044899908`
`30`		`61917364224`

[1,3,6,12,28,63,144,330,755,1728,3957,9058,20736, 47474,108688,248832,569684,1304249,2985984, 6836197,15650984,35831808,82034362,187811805, 429981696,984412343,2253741659,5159780352, 11812948115,27044899908,61917364224]

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Last modified August 17 02:18 EDT 2024. Contains 375198 sequences. (Running on oeis4.)