A005500 - OEIS

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A005500 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`18`
`4`		`88`
`5`		`489`
`6`		`3071`
`7`		`20667`
`8`		`146381`
`9`		`1072760`
`10`		`8071728`
`11`		`61990477`
`12`		`484182622`
`13`		`3835654678`
`14`		`30757242535`
`15`		`249255692801`
`16`		`2038827903834`
`17`		`16815060576958`
`18`		`139706974995635`
`19`		`1168468902294726`
`20`		`9831504782276593`
`21`		`83174244225508659`
`22`		`707159273362126228`
`23`		`6039827641569969225`

[1,2,5,18,88,489,3071,20667,146381,1072760, 8071728,61990477,484182622,3835654678,30757242535, 249255692801,2038827903834,16815060576958, 139706974995635,1168468902294726,9831504782276593, 83174244225508659,707159273362126228, 6039827641569969225]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)