A077920 - OEIS

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A077920 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`4`
`3`		`-7`
`4`		`18`
`5`		`-38`
`6`		`88`
`7`		`-195`
`8`		`441`
`9`		`-988`
`10`		`2223`
`11`		`-4992`
`12`		`11220`
`13`		`-25208`
`14`		`56645`
`15`		`-127277`
`16`		`285992`
`17`		`-642615`
`18`		`1443946`
`19`		`-3244514`
`20`		`7290360`
`21`		`-16381287`
`22`		`36808421`
`23`		`-82707768`
`24`		`185842671`
`25`		`-417584688`
`26`		`938304280`
`27`		`-2108350576`
`28`		`4737420745`
`29`		`-10644887785`
`30`		`23918845740`
`31`		`-53745158519`
`32`		`120764274994`

[1,-1,4,-7,18,-38,88,-195,441,-988,2223,-4992, 11220,-25208,56645,-127277,285992,-642615,1443946, -3244514,7290360,-16381287,36808421,-82707768, 185842671,-417584688,938304280,-2108350576, 4737420745,-10644887785,23918845740,-53745158519, 120764274994]

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Last modified April 19 17:38 EDT 2024. Contains 371797 sequences. (Running on oeis4.)