A026945 - OEIS

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A026945 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`51`
`4`		`323`
`5`		`2188`
`6`		`15511`
`7`		`113634`
`8`		`853467`
`9`		`6536382`
`10`		`50852019`
`11`		`400763223`
`12`		`3192727797`
`13`		`25669818476`
`14`		`208023278209`
`15`		`1697385471211`
`16`		`13933569346707`
`17`		`114988706524270`
`18`		`953467954114363`
`19`		`7939655757745265`
`20`		`66368199913921497`

[1,2,9,51,323,2188,15511,113634,853467,6536382, 50852019,400763223,3192727797,25669818476, 208023278209,1697385471211,13933569346707, 114988706524270,953467954114363,7939655757745265, 66368199913921497]

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Last modified May 11 01:12 EDT 2024. Contains 372388 sequences. (Running on oeis4.)