A009269 - OEIS

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A009269 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`-3`
`4`		`12`
`5`		`-70`
`6`		`370`
`7`		`-2436`
`8`		`20048`
`9`		`-175176`
`10`		`1679368`
`11`		`-18271000`
`12`		`216489416`
`13`		`-2751576048`
`14`		`37874200208`
`15`		`-560956931640`
`16`		`8845252164864`
`17`		`-148215651070272`
`18`		`2635014886145472`
`19`		`-49474969983055872`
`20`		`977864639612813440`

[1,0,2,-3,12,-70,370,-2436,20048,-175176,1679368, -18271000,216489416,-2751576048,37874200208, -560956931640,8845252164864,-148215651070272, 2635014886145472,-49474969983055872, 977864639612813440]

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Last modified April 16 18:00 EDT 2024. Contains 371750 sequences. (Running on oeis4.)