A171802 - OEIS

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A171802 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`115`
`5`		`714`
`6`		`4669`
`7`		`31671`
`8`		`220800`
`9`		`1572395`
`10`		`11389059`
`11`		`83642650`
`12`		`621400794`
`13`		`4661706035`
`14`		`35264616260`
`15`		`268700873765`
`16`		`2060348179869`
`17`		`15886552304352`
`18`		`123102352038195`
`19`		`958128272163860`
`20`		`7487015421267228`
`21`		`58715989507106041`

[1,1,4,20,115,714,4669,31671,220800,1572395, 11389059,83642650,621400794,4661706035, 35264616260,268700873765,2060348179869, 15886552304352,123102352038195,958128272163860, 7487015421267228,58715989507106041]

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Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)