A009558 - OEIS

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A009558 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-4`
`3`		`56`
`4`		`-1576`
`5`		`74944`
`6`		`-5428864`
`7`		`556999808`
`8`		`-76901598208`
`9`		`13750425100288`
`10`		`-3091282934198272`
`11`		`853453694386847744`
`12`		`-283870980665283248128`
`13`		`111959859759125683142656`
`14`		`-51664166661084786641993728`

[1,-4,56,-1576,74944,-5428864,556999808, -76901598208,13750425100288,-3091282934198272, 853453694386847744,-283870980665283248128, 111959859759125683142656, -51664166661084786641993728]

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)