A215900 - OEIS

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A215900 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`2`
`3`		`15`
`4`		`42`
`5`		`726`
`6`		`2906`
`7`		`84550`
`8`		`433252`
`9`		`18378580`
`10`		`113503692`
`11`		`6485270720`
`12`		`46538017584`
`13`		`3404551437592`
`14`		`27700815674032`
`15`		`2504332323669064`
`16`		`22702140562948192`
`17`		`2470653950084307472`
`18`		`24626774613248937584`

[2,2,15,42,726,2906,84550,433252,18378580, 113503692,6485270720,46538017584,3404551437592, 27700815674032,2504332323669064,22702140562948192, 2470653950084307472,24626774613248937584]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)