A007453 - OEIS

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A007453 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`9`
`5`		`30`
`6`		`103`
`7`		`375`
`8`		`1400`
`9`		`5380`
`10`		`21073`
`11`		`83950`
`12`		`338878`
`13`		`1383576`
`14`		`5702485`
`15`		`23696081`
`16`		`99163323`
`17`		`417553252`
`18`		`1767827220`
`19`		`7520966100`
`20`		`32135955585`
`21`		`137849390424`
`22`		`593407692685`
`23`		`2562695780058`
`24`		`11099806544050`
`25`		`48206136562750`
`26`		`209876865026303`
`27`		`915840095739301`

[1,1,3,9,30,103,375,1400,5380,21073,83950,338878, 1383576,5702485,23696081,99163323,417553252, 1767827220,7520966100,32135955585,137849390424, 593407692685,2562695780058,11099806544050, 48206136562750,209876865026303,915840095739301]

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)