A003297 - OEIS

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A003297 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`9`
`4`		`49`
`5`		`214`
`6`		`800`
`7`		`2685`
`8`		`8274`
`9`		`23829`
`10`		`64843`
`11`		`168223`
`12`		`418723`
`13`		`1005269`
`14`		`2337340`
`15`		`5281304`
`16`		`11629334`
`17`		`25015300`
`18`		`52670865`
`19`		`108745666`
`20`		`220489361`
`21`		`439619133`
`22`		`862952442`
`23`		`1669440245`
`24`		`3185892198`
`25`		`6002458625`
`26`		`11173532683`
`27`		`20564107275`

[1,9,49,214,800,2685,8274,23829,64843,168223, 418723,1005269,2337340,5281304,11629334,25015300, 52670865,108745666,220489361,439619133,862952442, 1669440245,3185892198,6002458625,11173532683, 20564107275]

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Last modified April 16 13:47 EDT 2024. Contains 371722 sequences. (Running on oeis4.)