A220837 - OEIS

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A220837 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`0`
`3`		`-1`
`4`		`1`
`5`		`1`
`6`		`0`
`7`		`-1`
`8`		`3`
`9`		`3`
`10`		`1`
`11`		`1`
`12`		`5`
`13`		`5`
`14`		`0`
`15`		`-1`
`16`		`7`
`17`		`7`
`18`		`3`
`19`		`3`
`20`		`9`
`21`		`9`
`22`		`1`

[-1,0,-1,1,1,0,-1,3,3,1,1,5,5,0,-1,7,7,3,3,9,9,1]

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Last modified August 28 06:46 EDT 2024. Contains 375477 sequences. (Running on oeis4.)