A215522 - OEIS

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A215522 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`18`
`4`		`100`
`5`		`650`
`6`		`4908`
`7`		`41090`
`8`		`382520`
`9`		`3863808`
`10`		`42409440`
`11`		`497972112`
`12`		`6259762320`
`13`		`83343114504`
`14`		`1175904241848`
`15`		`17442325040520`
`16`		`272149555445760`
`17`		`4438451554802880`
`18`		`75714874759039104`
`19`		`1343817666163911168`
`20`		`24837691533530152320`
`21`		`475811860099666527360`

[1,1,4,18,100,650,4908,41090,382520,3863808, 42409440,497972112,6259762320,83343114504, 1175904241848,17442325040520,272149555445760, 4438451554802880,75714874759039104, 1343817666163911168,24837691533530152320, 475811860099666527360]

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Last modified August 22 21:04 EDT 2024. Contains 375369 sequences. (Running on oeis4.)