A002909 - OEIS

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A002909 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`0`
`2`		`-8`
`3`		`-24`
`4`		`-72`
`5`		`-240`
`6`		`-896`
`7`		`-3640`
`8`		`-15688`
`9`		`-70512`
`10`		`-326968`
`11`		`-1553288`
`12`		`-7523520`
`13`		`-37026704`
`14`		`-184677536`
`15`		`-931655064`
`16`		`-4746324296`
`17`		`-24387839056`
`18`		`-126257024696`
`19`		`-658011767016`
`20`		`-3449826712952`
`21`		`-18183760406080`
`22`		`-96309365029424`
`23`		`-512340286827272`

[2,0,-8,-24,-72,-240,-896,-3640,-15688,-70512, -326968,-1553288,-7523520,-37026704,-184677536, -931655064,-4746324296,-24387839056,-126257024696, -658011767016,-3449826712952,-18183760406080, -96309365029424,-512340286827272]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)