A009769 - OEIS

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A009769 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-4`
`3`		`24`
`4`		`-96`
`5`		`0`
`6`		`5760`
`7`		`-80640`
`8`		`645120`
`9`		`0`
`10`		`-116121600`
`11`		`2554675200`
`12`		`-30656102400`
`13`		`0`
`14`		`11158821273600`
`15`		`-334764638208000`
`16`		`5356234211328000`
`17`		`0`
`18`		`-3278015337332736000`
`19`		`124564582818643968000`
`20`		`-2491291656372879360000`
`21`		`0`

[1,0,-4,24,-96,0,5760,-80640,645120,0,-116121600, 2554675200,-30656102400,0,11158821273600, -334764638208000,5356234211328000,0, -3278015337332736000,124564582818643968000, -2491291656372879360000,0]

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)