A137660 - OEIS

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A137660 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`-4`
`5`		`0`
`6`		`4`
`7`		`0`
`8`		`-64`
`9`		`0`
`10`		`-320`
`11`		`0`
`12`		`384`
`13`		`0`
`14`		`-7680`
`15`		`0`
`16`		`-26880`
`17`		`0`
`18`		`-161280`
`19`		`0`
`20`		`195840`
`21`		`0`
`22`		`-3096576`
`23`		`0`
`24`		`-10321920`
`25`		`0`
`26`		`-43352064`
`27`		`0`
`28`		`-263208960`
`29`		`0`
`30`		`319979520`
`31`		`0`
`32`		`-3096576000`
`33`		`0`
`34`		`-10218700800`
`35`		`0`
`36`		`-40874803200`
`37`		`0`
`38`		`-173717913600`
`39`		`0`
`40`		`-1055932416000`
`41`		`0`
`42`		`1283840409600`

[0,1,0,-4,0,4,0,-64,0,-320,0,384,0,-7680,0,-26880, 0,-161280,0,195840,0,-3096576,0,-10321920,0, -43352064,0,-263208960,0,319979520,0,-3096576000, 0,-10218700800,0,-40874803200,0,-173717913600,0, -1055932416000,0,1283840409600]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)