A283951 - OEIS

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A283951 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`16`
`5`		`84`
`6`		`408`
`7`		`1926`
`8`		`8776`
`9`		`38912`
`10`		`169456`
`11`		`727914`
`12`		`3091712`
`13`		`13010668`
`14`		`54334792`
`15`		`225449486`
`16`		`930278584`
`17`		`3820249240`
`18`		`15622389664`
`19`		`63649588850`
`20`		`258473068912`
`21`		`1046543827972`
`22`		`4226200851704`
`23`		`17025631341974`
`24`		`68440231400232`

[0,0,2,16,84,408,1926,8776,38912,169456,727914, 3091712,13010668,54334792,225449486,930278584, 3820249240,15622389664,63649588850,258473068912, 1046543827972,4226200851704,17025631341974, 68440231400232]

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Last modified April 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)