A026898 - OEIS

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A026898 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`9`
`4`		`23`
`5`		`66`
`6`		`210`
`7`		`733`
`8`		`2781`
`9`		`11378`
`10`		`49864`
`11`		`232769`
`12`		`1151915`
`13`		`6018786`
`14`		`33087206`
`15`		`190780213`
`16`		`1150653921`
`17`		`7241710930`
`18`		`47454745804`
`19`		`323154696185`
`20`		`2282779990495`
`21`		`16700904488706`
`22`		`126356632390298`
`23`		`987303454928973`
`24`		`7957133905608837`
`25`		`66071772829247410`

[1,2,4,9,23,66,210,733,2781,11378,49864,232769, 1151915,6018786,33087206,190780213,1150653921, 7241710930,47454745804,323154696185,2282779990495, 16700904488706,126356632390298,987303454928973, 7957133905608837,66071772829247410]

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Last modified May 20 12:27 EDT 2024. Contains 372712 sequences. (Running on oeis4.)