A067613 - OEIS

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A067613 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-2`
`3`		`-1`
`4`		`0`
`5`		`2`
`6`		`0`
`7`		`6`
`8`		`0`
`9`		`-4`
`10`		`3`
`11`		`0`
`12`		`-12`
`13`		`0`
`14`		`4`
`15`		`0`
`16`		`-30`
`17`		`0`
`18`		`40`
`19`		`0`
`20`		`-8`
`21`		`-15`
`22`		`0`
`23`		`90`
`24`		`0`
`25`		`-60`
`26`		`0`
`27`		`8`
`28`		`0`
`29`		`210`
`30`		`0`
`31`		`-420`
`32`		`0`
`33`		`168`
`34`		`0`
`35`		`-16`
`36`		`105`
`37`		`0`
`38`		`-840`
`39`		`0`
`40`		`840`
`41`		`0`
`42`		`-224`
`43`		`0`
`44`		`16`
`45`		`0`
`46`		`-1890`
`47`		`0`
`48`		`5040`
`49`		`0`
`50`		`-3024`
`51`		`0`
`52`		`576`
`53`		`0`
`54`		`-32`
`55`		`-945`
`56`		`0`
`57`		`9450`
`58`		`0`
`59`		`-12600`
`60`		`0`
`61`		`5040`
`62`		`0`
`63`		`-720`
`64`		`0`
`65`		`32`
`66`		`0`
`67`		`20790`
`68`		`0`
`69`		`-69300`
`70`		`0`
`71`		`55440`
`72`		`0`
`73`		`-15840`
`74`		`0`
`75`		`1760`
`76`		`0`
`77`		`-64`

[1,0,-2,-1,0,2,0,6,0,-4,3,0,-12,0,4,0,-30,0,40,0, -8,-15,0,90,0,-60,0,8,0,210,0,-420,0,168,0,-16, 105,0,-840,0,840,0,-224,0,16,0,-1890,0,5040,0, -3024,0,576,0,-32,-945,0,9450,0,-12600,0,5040,0, -720,0,32,0,20790,0,-69300,0,55440,0,-15840,0, 1760,0,-64]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)