A026674 - OEIS

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A026674 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`16`
`4`		`65`
`5`		`267`
`6`		`1105`
`7`		`4597`
`8`		`19196`
`9`		`80380`
`10`		`337284`
`11`		`1417582`
`12`		`5965622`
`13`		`25130844`
`14`		`105954110`
`15`		`447015744`
`16`		`1886996681`
`17`		`7969339643`
`18`		`33670068133`
`19`		`142301618265`
`20`		`601586916703`
`21`		`2543852427847`
`22`		`10759094481491`
`23`		`45513214057191`
`24`		`192560373660245`
`25`		`814807864164497`

[1,4,16,65,267,1105,4597,19196,80380,337284, 1417582,5965622,25130844,105954110,447015744, 1886996681,7969339643,33670068133,142301618265, 601586916703,2543852427847,10759094481491, 45513214057191,192560373660245,814807864164497]

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)