A331816 - OEIS

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A331816 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`0`
`5`		`-2`
`6`		`0`
`7`		`0`
`8`		`1`
`9`		`2`
`10`		`0`
`11`		`0`
`12`		`-6`
`13`		`0`
`14`		`0`
`15`		`1`
`16`		`0`
`17`		`0`
`18`		`20`
`19`		`0`
`20`		`0`
`21`		`-12`
`22`		`0`
`23`		`0`
`24`		`1`
`25`		`0`
`26`		`-40`
`27`		`0`
`28`		`0`
`29`		`80`
`30`		`0`
`31`		`0`
`32`		`-20`
`33`		`0`
`34`		`0`
`35`		`1`
`36`		`40`
`37`		`0`
`38`		`0`
`39`		`-360`
`40`		`0`
`41`		`0`
`42`		`220`
`43`		`0`
`44`		`0`
`45`		`-30`
`46`		`0`
`47`		`0`
`48`		`1`
`49`		`0`
`50`		`0`
`51`		`1120`
`52`		`0`
`53`		`0`
`54`		`-1680`
`55`		`0`
`56`		`0`
`57`		`490`
`58`		`0`
`59`		`0`
`60`		`-42`
`61`		`0`
`62`		`0`
`63`		`1`
`64`		`0`
`65`		`-2240`
`66`		`0`
`67`		`0`
`68`		`9520`
`69`		`0`
`70`		`0`
`71`		`-5600`
`72`		`0`
`73`		`0`
`74`		`952`
`75`		`0`
`76`		`0`
`77`		`-56`
`78`		`0`
`79`		`0`
`80`		`1`

[1,0,0,1,0,-2,0,0,1,2,0,0,-6,0,0,1,0,0,20,0,0,-12, 0,0,1,0,-40,0,0,80,0,0,-20,0,0,1,40,0,0,-360,0,0, 220,0,0,-30,0,0,1,0,0,1120,0,0,-1680,0,0,490,0,0, -42,0,0,1,0,-2240,0,0,9520,0,0,-5600,0,0,952,0,0, -56,0,0,1]

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Last modified August 28 02:57 EDT 2024. Contains 375477 sequences. (Running on oeis4.)