A245311 - OEIS

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A245311 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`15`
`5`		`50`
`6`		`182`
`7`		`707`
`8`		`2903`
`9`		`12479`
`10`		`55844`
`11`		`258860`
`12`		`1238588`
`13`		`6099054`
`14`		`30836886`
`15`		`159770751`
`16`		`846927495`
`17`		`4586883023`
`18`		`25351486346`
`19`		`142843162421`
`20`		`819783142271`
`21`		`4788268962584`
`22`		`28444114318056`
`23`		`171737405798836`
`24`		`1053285775758916`
`25`		`6558551535958516`
`26`		`41441942236323008`

[1,1,2,5,15,50,182,707,2903,12479,55844,258860, 1238588,6099054,30836886,159770751,846927495, 4586883023,25351486346,142843162421,819783142271, 4788268962584,28444114318056,171737405798836, 1053285775758916,6558551535958516, 41441942236323008]

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Last modified August 18 19:11 EDT 2024. Contains 375273 sequences. (Running on oeis4.)