A171780 - OEIS

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A171780 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`3`
`4`		`-12`
`5`		`55`
`6`		`-273`
`7`		`1431`
`8`		`-7837`
`9`		`44726`
`10`		`-266381`
`11`		`1658300`
`12`		`-10768609`
`13`		`72407500`
`14`		`-498510748`
`15`		`3477131466`
`16`		`-24461950817`
`17`		`174793982029`
`18`		`-1294469021982`
`19`		`10177610535232`
`20`		`-85391010070808`
`21`		`741460526149745`
`22`		`-6291905077685633`

[1,-1,3,-12,55,-273,1431,-7837,44726,-266381, 1658300,-10768609,72407500,-498510748,3477131466, -24461950817,174793982029,-1294469021982, 10177610535232,-85391010070808,741460526149745, -6291905077685633]

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Last modified May 18 03:43 EDT 2024. Contains 372618 sequences. (Running on oeis4.)