A157309 - OEIS

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A157309 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`-1`
`4`		`0`
`5`		`9`
`6`		`0`
`7`		`-176`
`8`		`0`
`9`		`5693`
`10`		`0`
`11`		`-272185`
`12`		`0`
`13`		`18043492`
`14`		`0`
`15`		`-1587355800`
`16`		`0`
`17`		`179258676373`
`18`		`0`
`19`		`-25305967691715`
`20`		`0`
`21`		`4370075849887361`
`22`		`0`
`23`		`-906689353191842372`
`24`		`0`
`25`		`222613537277330398444`
`26`		`0`
`27`		`-63850898347335510126988`

[1,1,0,-1,0,9,0,-176,0,5693,0,-272185,0,18043492, 0,-1587355800,0,179258676373,0,-25305967691715,0, 4370075849887361,0,-906689353191842372,0, 222613537277330398444,0,-63850898347335510126988]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)