A123691 - OEIS

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A123691 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`21`
`4`		`210`
`5`		`2574`
`6`		`36036`
`7`		`554268`
`8`		`9145422`
`9`		`159352050`
`10`		`2900207310`
`11`		`54698315490`
`12`		`1062710129520`
`13`		`21172455657360`
`14`		`431010704453400`
`15`		`8939669081780520`
`16`		`188478023140872630`
`17`		`4031562420682009290`
`18`		`87350519114776867950`
`19`		`1914486941500560677250`
`20`		`42397183540866961907100`

[1,3,21,210,2574,36036,554268,9145422,159352050, 2900207310,54698315490,1062710129520, 21172455657360,431010704453400,8939669081780520, 188478023140872630,4031562420682009290, 87350519114776867950,1914486941500560677250, 42397183540866961907100]

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)