A109957 - OEIS

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A109957 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`4`
`3`		`-16`
`4`		`74`
`5`		`-368`
`6`		`1926`
`7`		`-10455`
`8`		`58333`
`9`		`-332489`
`10`		`1927761`
`11`		`-11334128`
`12`		`67416570`
`13`		`-404956315`
`14`		`2453012916`
`15`		`-14967587873`
`16`		`91910798556`
`17`		`-567566697627`
`18`		`3522334450512`
`19`		`-21957276973619`
`20`		`137425078658354`
`21`		`-863229921626723`
`22`		`5440215989173113`
`23`		`-34388244134246836`

[1,-1,4,-16,74,-368,1926,-10455,58333,-332489, 1927761,-11334128,67416570,-404956315,2453012916, -14967587873,91910798556,-567566697627, 3522334450512,-21957276973619,137425078658354, -863229921626723,5440215989173113, -34388244134246836]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)