A254856 - OEIS

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A254856 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`15`
`4`		`40`
`5`		`377`
`6`		`1026`
`7`		`9775`
`8`		`26624`
`9`		`253761`
`10`		`691186`
`11`		`6587999`
`12`		`17944200`
`13`		`171034201`
`14`		`465858002`
`15`		`4440301215`
`16`		`12094363840`
`17`		`115276797377`
`18`		`313987601826`
`19`		`2992756430575`
`20`		`8151583283624`
`21`		`77696390397561`
`22`		`211627177772386`
`23`		`2017113393905999`
`24`		`5494155038798400`

[1,2,15,40,377,1026,9775,26624,253761,691186, 6587999,17944200,171034201,465858002,4440301215, 12094363840,115276797377,313987601826, 2992756430575,8151583283624,77696390397561, 211627177772386,2017113393905999,5494155038798400]

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Last modified June 3 05:44 EDT 2024. Contains 373054 sequences. (Running on oeis4.)