A171996 - OEIS

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A171996 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`2`
`5`		`-3`
`6`		`1`
`7`		`0`
`8`		`11`
`9`		`-6`
`10`		`1`
`11`		`0`
`12`		`-20`
`13`		`35`
`14`		`-10`
`15`		`1`
`16`		`0`
`17`		`40`
`18`		`-135`
`19`		`85`
`20`		`-15`
`21`		`1`
`22`		`0`
`23`		`0`
`24`		`490`
`25`		`-525`
`26`		`175`
`27`		`-21`
`28`		`1`
`29`		`0`
`30`		`0`
`31`		`-1120`
`32`		`2905`
`33`		`-1540`
`34`		`322`
`35`		`-28`
`36`		`1`
`37`		`0`
`38`		`0`
`39`		`2240`
`40`		`-12600`
`41`		`11865`
`42`		`-3780`
`43`		`546`
`44`		`-36`
`45`		`1`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`47600`
`50`		`-76545`
`51`		`38325`
`52`		`-8190`
`53`		`870`
`54`		`-45`
`55`		`1`

[1,-1,1,2,-3,1,0,11,-6,1,0,-20,35,-10,1,0,40,-135, 85,-15,1,0,0,490,-525,175,-21,1,0,0,-1120,2905, -1540,322,-28,1,0,0,2240,-12600,11865,-3780,546, -36,1,0,0,0,47600,-76545,38325,-8190,870,-45,1]

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Last modified September 14 03:52 EDT 2024. Contains 375911 sequences. (Running on oeis4.)