A128961 - OEIS

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A128961 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`54`
`3`		`648`
`4`		`4860`
`5`		`29160`
`6`		`153090`
`7`		`734832`
`8`		`3306744`
`9`		`14171760`
`10`		`58458510`
`11`		`233834040`
`12`		`911952756`
`13`		`3482001432`
`14`		`13057505370`
`15`		`48212327520`
`16`		`175630621680`
`17`		`632270238048`
`18`		`2252462723046`
`19`		`7949868434280`
`20`		`27824539519980`
`21`		`96653663595720`
`22`		`333455139405234`
`23`		`1143274763675088`

[0,54,648,4860,29160,153090,734832,3306744, 14171760,58458510,233834040,911952756,3482001432, 13057505370,48212327520,175630621680,632270238048, 2252462723046,7949868434280,27824539519980, 96653663595720,333455139405234,1143274763675088]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)