A087674 - OEIS

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A087674 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`-3`
`4`		`15`
`5`		`21`
`6`		`-441`
`7`		`477`
`8`		`19935`
`9`		`-101979`
`10`		`-1150281`
`11`		`14838957`
`12`		`60479055`
`13`		`-2328851979`
`14`		`3529587879`
`15`		`403992301437`
`16`		`-3333935426625`
`17`		`-72778393505979`
`18`		`1413503392326039`
`19`		`10851976875907917`
`20`		`-554279405351601105`
`21`		`713848745428080021`

[1,1,-1,-3,15,21,-441,477,19935,-101979,-1150281, 14838957,60479055,-2328851979,3529587879, 403992301437,-3333935426625,-72778393505979, 1413503392326039,10851976875907917, -554279405351601105,713848745428080021]

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Last modified April 24 08:09 EDT 2024. Contains 371922 sequences. (Running on oeis4.)