A008990 - OEIS

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A008990 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-1`
`3`		`-19`
`4`		`-559`
`5`		`-29161`
`6`		`-2368081`
`7`		`-276580459`
`8`		`-43947282079`
`9`		`-9118829535121`
`10`		`-2394495729300961`
`11`		`-776228170682260099`
`12`		`-304471093666800990799`
`13`		`-142128398853646068197881`
`14`		`-77865168574139358455774641`
`15`		`-49474260304294496117945326939`

[1,-1,-1,-19,-559,-29161,-2368081,-276580459, -43947282079,-9118829535121,-2394495729300961, -776228170682260099,-304471093666800990799, -142128398853646068197881, -77865168574139358455774641, -49474260304294496117945326939]

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)