A137668 - OEIS

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A137668 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`-2`
`5`		`0`
`6`		`2`
`7`		`0`
`8`		`24`
`9`		`0`
`10`		`-40`
`11`		`0`
`12`		`16`
`13`		`0`
`14`		`-720`
`15`		`0`
`16`		`1568`
`17`		`0`
`18`		`-1120`
`19`		`0`
`20`		`272`
`21`		`0`
`22`		`40320`
`23`		`0`
`24`		`-104704`
`25`		`0`
`26`		`102144`
`27`		`0`
`28`		`-45696`
`29`		`0`
`30`		`7936`
`31`		`0`
`32`		`-3628800`
`33`		`0`
`34`		`10720512`
`35`		`0`
`36`		`-12869120`
`37`		`0`
`38`		`8042496`
`39`		`0`
`40`		`-2618880`
`41`		`0`
`42`		`353792`
`43`		`0`
`44`		`479001600`
`45`		`0`
`46`		`-1565051904`
`47`		`0`
`48`		`2188865536`
`49`		`0`
`50`		`-1712668672`
`51`		`0`
`52`		`789854208`
`53`		`0`
`54`		`-202369024`
`55`		`0`

[0,1,0,-2,0,2,0,24,0,-40,0,16,0,-720,0,1568,0, -1120,0,272,0,40320,0,-104704,0,102144,0,-45696,0, 7936,0,-3628800,0,10720512,0,-12869120,0,8042496, 0,-2618880,0,353792,0,479001600,0,-1565051904,0, 2188865536,0,-1712668672,0,789854208,0,-202369024, 0]

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Last modified April 24 15:42 EDT 2024. Contains 371960 sequences. (Running on oeis4.)