A245031 - OEIS

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A245031 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`21`
`4`		`120`
`5`		`2080`
`6`		`11781`
`7`		`203841`
`8`		`1154440`
`9`		`19974360`
`10`		`113123361`
`11`		`1957283461`
`12`		`11084934960`
`13`		`191793804840`
`14`		`1086210502741`
`15`		`18793835590881`
`16`		`106437544333680`
`17`		`1841604094101520`
`18`		`10429793134197921`
`19`		`180458407386358101`
`20`		`1022013289607062600`

[0,1,21,120,2080,11781,203841,1154440,19974360, 113123361,1957283461,11084934960,191793804840, 1086210502741,18793835590881,106437544333680, 1841604094101520,10429793134197921, 180458407386358101,1022013289607062600]

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Last modified April 24 04:02 EDT 2024. Contains 371918 sequences. (Running on oeis4.)