A009457 - OEIS

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A009457 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`-5`
`6`		`41`
`7`		`-289`
`8`		`2316`
`9`		`-20383`
`10`		`196965`
`11`		`-2077319`
`12`		`23780646`
`13`		`-293954869`
`14`		`3904755557`
`15`		`-55497739465`
`16`		`840656150296`
`17`		`-13523247084319`
`18`		`230285930161321`
`19`		`-4139153666264303`
`20`		`78317988438360330`

[0,1,1,1,2,-5,41,-289,2316,-20383,196965,-2077319, 23780646,-293954869,3904755557,-55497739465, 840656150296,-13523247084319,230285930161321, -4139153666264303,78317988438360330]

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Last modified April 25 09:08 EDT 2024. Contains 371964 sequences. (Running on oeis4.)