A009001 - OEIS

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A009001 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`-3`
`4`		`1`
`5`		`5`
`6`		`-1`
`7`		`-7`
`8`		`1`
`9`		`9`
`10`		`-1`
`11`		`-11`
`12`		`1`
`13`		`13`
`14`		`-1`
`15`		`-15`
`16`		`1`
`17`		`17`
`18`		`-1`
`19`		`-19`
`20`		`1`
`21`		`21`
`22`		`-1`
`23`		`-23`
`24`		`1`
`25`		`25`
`26`		`-1`
`27`		`-27`
`28`		`1`
`29`		`29`
`30`		`-1`
`31`		`-31`
`32`		`1`
`33`		`33`
`34`		`-1`
`35`		`-35`
`36`		`1`
`37`		`37`
`38`		`-1`
`39`		`-39`
`40`		`1`
`41`		`41`
`42`		`-1`
`43`		`-43`
`44`		`1`
`45`		`45`
`46`		`-1`
`47`		`-47`
`48`		`1`
`49`		`49`
`50`		`-1`
`51`		`-51`
`52`		`1`
`53`		`53`
`54`		`-1`
`55`		`-55`
`56`		`1`
`57`		`57`
`58`		`-1`
`59`		`-59`
`60`		`1`
`61`		`61`
`62`		`-1`
`63`		`-63`
`64`		`1`
`65`		`65`
`66`		`-1`
`67`		`-67`
`68`		`1`
`69`		`69`
`70`		`-1`
`71`		`-71`
`72`		`1`
`73`		`73`
`74`		`-1`
`75`		`-75`
`76`		`1`
`77`		`77`
`78`		`-1`
`79`		`-79`
`80`		`1`
`81`		`81`
`82`		`-1`
`83`		`-83`
`84`		`1`
`85`		`85`

[1,1,-1,-3,1,5,-1,-7,1,9,-1,-11,1,13,-1,-15,1,17, -1,-19,1,21,-1,-23,1,25,-1,-27,1,29,-1,-31,1,33, -1,-35,1,37,-1,-39,1,41,-1,-43,1,45,-1,-47,1,49, -1,-51,1,53,-1,-55,1,57,-1,-59,1,61,-1,-63,1,65, -1,-67,1,69,-1,-71,1,73,-1,-75,1,77,-1,-79,1,81, -1,-83,1,85]

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)