A023900 - OEIS

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A023900 as a simple table

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

[1,-1,-2,-1,-4,2,-6,-1,-2,4,-10,2,-12,6,8,-1,-16, 2,-18,4,12,10,-22,2,-4,12,-2,6,-28,-8,-30,-1,20, 16,24,2,-36,18,24,4,-40,-12,-42,10,8,22,-46,2,-6, 4,32,12,-52,2,40,6,36,28,-58,-8,-60,30,12,-1,48, -20,-66,16,44,-24,-70,2,-72,36,8,18,60,-24,-78,4, -2]

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Last modified April 25 09:18 EDT 2024. Contains 371967 sequences. (Running on oeis4.)