A055870 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A055870 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`-1`
`5`		`-1`
`6`		`1`
`7`		`-2`
`8`		`-2`
`9`		`1`
`10`		`1`
`11`		`-3`
`12`		`-6`
`13`		`3`
`14`		`1`
`15`		`1`
`16`		`-5`
`17`		`-15`
`18`		`15`
`19`		`5`
`20`		`-1`
`21`		`1`
`22`		`-8`
`23`		`-40`
`24`		`60`
`25`		`40`
`26`		`-8`
`27`		`-1`
`28`		`1`
`29`		`-13`
`30`		`-104`
`31`		`260`
`32`		`260`
`33`		`-104`
`34`		`-13`
`35`		`1`
`36`		`1`
`37`		`-21`
`38`		`-273`
`39`		`1092`
`40`		`1820`
`41`		`-1092`
`42`		`-273`
`43`		`21`
`44`		`1`
`45`		`1`
`46`		`-34`
`47`		`-714`
`48`		`4641`
`49`		`12376`
`50`		`-12376`
`51`		`-4641`
`52`		`714`
`53`		`34`
`54`		`-1`
`55`		`1`
`56`		`-55`
`57`		`-1870`
`58`		`19635`
`59`		`85085`
`60`		`-136136`
`61`		`-85085`
`62`		`19635`
`63`		`1870`
`64`		`-55`
`65`		`-1`

[1,1,-1,1,-1,-1,1,-2,-2,1,1,-3,-6,3,1,1,-5,-15,15, 5,-1,1,-8,-40,60,40,-8,-1,1,-13,-104,260,260,-104, -13,1,1,-21,-273,1092,1820,-1092,-273,21,1,1,-34, -714,4641,12376,-12376,-4641,714,34,-1,1,-55, -1870,19635,85085,-136136,-85085,19635,1870,-55, -1]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)