A217213 - OEIS

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A217213 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`4`
`4`		`30`
`5`		`168`
`6`		`840`
`7`		`3960`
`8`		`18018`
`9`		`80080`
`10`		`350064`
`11`		`1511640`
`12`		`6466460`
`13`		`27457584`
`14`		`115892400`
`15`		`486748080`
`16`		`2035917450`
`17`		`8485840800`
`18`		`35263382880`
`19`		`146157442200`
`20`		`604404010980`
`21`		`2494365759600`
`22`		`10275832148400`
`23`		`42264944401680`
`24`		`173588164506900`
`25`		`712027089322848`
`26`		`2917167840871200`
`27`		`11938779496898800`

[0,0,0,4,30,168,840,3960,18018,80080,350064, 1511640,6466460,27457584,115892400,486748080, 2035917450,8485840800,35263382880,146157442200, 604404010980,2494365759600,10275832148400, 42264944401680,173588164506900,712027089322848, 2917167840871200,11938779496898800]

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Last modified September 15 03:00 EDT 2024. Contains 375931 sequences. (Running on oeis4.)