A222884 - OEIS

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A222884 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`6`
`5`		`16`
`6`		`16`
`7`		`40`
`8`		`280`
`9`		`768`
`10`		`1440`
`11`		`3808`
`12`		`16352`
`13`		`45056`
`14`		`111104`
`15`		`300672`
`16`		`1072512`
`17`		`2959360`
`18`		`8281600`
`19`		`22668800`
`20`		`74866176`
`21`		`206880768`
`22`		`614068224`
`23`		`1691502592`
`24`		`5409544192`
`25`		`14973206528`
`26`		`45696688128`
`27`		`126360084480`
`28`		`398896128000`

[1,0,0,6,16,16,40,280,768,1440,3808,16352,45056, 111104,300672,1072512,2959360,8281600,22668800, 74866176,206880768,614068224,1691502592, 5409544192,14973206528,45696688128,126360084480, 398896128000]

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Last modified May 22 17:42 EDT 2022. Contains 353957 sequences. (Running on oeis4.)