A020105 - OEIS

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A020105 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`20`
`5`		`95`
`6`		`560`
`7`		`3858`
`8`		`30478`
`9`		`271253`
`10`		`2685396`
`11`		`29270807`
`12`		`348322597`
`13`		`4493361501`
`14`		`62457724854`
`15`		`930620100319`
`16`		`14796859595059`
`17`		`250066927156482`
`18`		`4476197996101024`
`19`		`84600142126309336`
`20`		`1683542828313555775`

[1,1,2,5,20,95,560,3858,30478,271253,2685396, 29270807,348322597,4493361501,62457724854, 930620100319,14796859595059,250066927156482, 4476197996101024,84600142126309336, 1683542828313555775]

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Last modified May 7 21:53 EDT 2024. Contains 372317 sequences. (Running on oeis4.)