A026723 - OEIS

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A026723 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`8`
`3`		`20`
`4`		`49`
`5`		`117`
`6`		`280`
`7`		`656`
`8`		`1551`
`9`		`3597`
`10`		`8442`
`11`		`19460`
`12`		`45457`
`13`		`104387`
`14`		`243086`
`15`		`556842`
`16`		`1294027`
`17`		`2959369`
`18`		`6867428`
`19`		`15687806`
`20`		`36368875`
`21`		`83015759`
`22`		`192321728`
`23`		`438755532`
`24`		`1015963203`
`25`		`2316887259`
`26`		`5363009706`
`27`		`12226893148`
`28`		`28295070847`

[1,3,8,20,49,117,280,656,1551,3597,8442,19460, 45457,104387,243086,556842,1294027,2959369, 6867428,15687806,36368875,83015759,192321728, 438755532,1015963203,2316887259,5363009706, 12226893148,28295070847]

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Last modified April 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)