A020008 - OEIS

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A020008 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`10`
`5`		`46`
`6`		`261`
`7`		`1731`
`8`		`13221`
`9`		`114178`
`10`		`1100260`
`11`		`11702761`
`12`		`136177584`
`13`		`1720789476`
`14`		`23465311033`
`15`		`343446825119`
`16`		`5370259447317`
`17`		`89341588987180`
`18`		`1575660751228445`
`19`		`29364586727439204`
`20`		`576613703011533457`

[1,1,1,3,10,46,261,1731,13221,114178,1100260, 11702761,136177584,1720789476,23465311033, 343446825119,5370259447317,89341588987180, 1575660751228445,29364586727439204, 576613703011533457]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)