A009791 - OEIS

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A009791 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-4`
`2`		`68`
`3`		`-2584`
`4`		`171344`
`5`		`-17464448`
`6`		`2529148352`
`7`		`-493428887168`
`8`		`124730546544896`
`9`		`-39649824402078720`
`10`		`15479590269182063616`
`11`		`-7280988095409621465088`
`12`		`4060943278418110382329856`
`13`		`-2650034901967494261760065536`

[1,-4,68,-2584,171344,-17464448,2529148352, -493428887168,124730546544896,-39649824402078720, 15479590269182063616,-7280988095409621465088, 4060943278418110382329856, -2650034901967494261760065536]

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Last modified March 5 15:13 EST 2021. Contains 341823 sequences. (Running on oeis4.)