A249997 - OEIS

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A249997 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`15`
`3`		`40`
`4`		`221`
`5`		`702`
`6`		`3355`
`7`		`11780`
`8`		`52041`
`9`		`193402`
`10`		`817895`
`11`		`3138720`
`12`		`12953461`
`13`		`50618102`
`14`		`206059635`
`15`		`813476860`
`16`		`3286192481`
`17`		`13047914802`
`18`		`52482224575`
`19`		`209057202200`
`20`		`838843897101`
`21`		`3347530323502`
`22`		`13413657088715`
`23`		`53584020970740`
`24`		`214547906035321`
`25`		`857556157684202`

[1,2,15,40,221,702,3355,11780,52041,193402,817895, 3138720,12953461,50618102,206059635,813476860, 3286192481,13047914802,52482224575,209057202200, 838843897101,3347530323502,13413657088715, 53584020970740,214547906035321,857556157684202]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)