A178720 - OEIS

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A178720 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`8`
`3`		`12`
`4`		`28`
`5`		`58`
`6`		`142`
`7`		`350`
`8`		`906`
`9`		`2320`
`10`		`6056`
`11`		`15778`
`12`		`41024`
`13`		`107132`
`14`		`280184`
`15`		`732998`
`16`		`1918354`
`17`		`5019810`
`18`		`13141378`
`19`		`34398686`
`20`		`90045424`
`21`		`235729374`
`22`		`617126438`
`23`		`1615633560`
`24`		`4229774958`
`25`		`11073514332`
`26`		`28990794770`
`27`		`75898640094`
`28`		`198704554772`

[3,8,12,28,58,142,350,906,2320,6056,15778,41024, 107132,280184,732998,1918354,5019810,13141378, 34398686,90045424,235729374,617126438,1615633560, 4229774958,11073514332,28990794770,75898640094, 198704554772]

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Last modified June 3 03:48 EDT 2024. Contains 373054 sequences. (Running on oeis4.)