A097949 - OEIS

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A097949 as a simple table

`n`		`a(n)`
`0`		`-2`
`1`		`1`
`2`		`-4`
`3`		`9`
`4`		`-34`
`5`		`121`
`6`		`-452`
`7`		`1681`
`8`		`-6274`
`9`		`23409`
`10`		`-87364`
`11`		`326041`
`12`		`-1216802`
`13`		`4541161`
`14`		`-16947844`
`15`		`63250209`
`16`		`-236052994`
`17`		`880961761`
`18`		`-3287794052`
`19`		`12270214441`
`20`		`-45793063714`
`21`		`170902040409`
`22`		`-637815097924`
`23`		`2380358351281`
`24`		`-8883618307202`
`25`		`33154114877521`
`26`		`-123732841202884`

[-2,1,-4,9,-34,121,-452,1681,-6274,23409,-87364, 326041,-1216802,4541161,-16947844,63250209, -236052994,880961761,-3287794052,12270214441, -45793063714,170902040409,-637815097924, 2380358351281,-8883618307202,33154114877521, -123732841202884]

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)