A026731 - OEIS

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A026731 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`7`
`5`		`16`
`6`		`27`
`7`		`65`
`8`		`108`
`9`		`267`
`10`		`440`
`11`		`1105`
`12`		`1812`
`13`		`4597`
`14`		`7514`
`15`		`19196`
`16`		`31307`
`17`		`80380`
`18`		`130883`
`19`		`337284`
`20`		`548547`
`21`		`1417582`
`22`		`2303413`
`23`		`5965622`
`24`		`9686617`
`25`		`25130844`
`26`		`40783083`
`27`		`105954110`
`28`		`171868037`
`29`		`447015744`
`30`		`724837891`
`31`		`1886996681`

[1,1,2,4,7,16,27,65,108,267,440,1105,1812,4597, 7514,19196,31307,80380,130883,337284,548547, 1417582,2303413,5965622,9686617,25130844,40783083, 105954110,171868037,447015744,724837891, 1886996681]

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Last modified May 2 19:04 EDT 2024. Contains 372203 sequences. (Running on oeis4.)