A231998 - OEIS

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A231998 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`6`
`3`		`16`
`4`		`39`
`5`		`81`
`6`		`168`
`7`		`361`
`8`		`780`
`9`		`1681`
`10`		`3612`
`11`		`7744`
`12`		`16620`
`13`		`35721`
`14`		`76755`
`15`		`164836`
`16`		`354006`
`17`		`760384`
`18`		`1633275`
`19`		`3508129`
`20`		`7535088`
`21`		`16184529`
`22`		`34762680`
`23`		`74666881`
`24`		`160377096`
`25`		`344473600`
`26`		`739894200`
`27`		`1589218225`
`28`		`3413480691`
`29`		`7331811876`
`30`		`15747991350`

[4,6,16,39,81,168,361,780,1681,3612,7744,16620, 35721,76755,164836,354006,760384,1633275,3508129, 7535088,16184529,34762680,74666881,160377096, 344473600,739894200,1589218225,3413480691, 7331811876,15747991350]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)