A185634 - OEIS

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A185634 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`2`
`4`		`21`
`5`		`204`
`6`		`2605`
`7`		`39990`
`8`		`720601`
`9`		`14913080`
`10`		`348678441`
`11`		`9090909090`
`12`		`261535698061`
`13`		`8230246567620`
`14`		`281241170407093`
`15`		`10371206370520814`
`16`		`410525522232055665`
`17`		`17361641481138401520`
`18`		`781282469559318055057`
`19`		`37275544492386193492506`
`20`		`1879498672877297909667781`

[1,2,21,204,2605,39990,720601,14913080,348678441, 9090909090,261535698061,8230246567620, 281241170407093,10371206370520814, 410525522232055665,17361641481138401520, 781282469559318055057,37275544492386193492506, 1879498672877297909667781]

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Last modified May 10 13:53 EDT 2024. Contains 372387 sequences. (Running on oeis4.)