A084240 - OEIS

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A084240 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-4`
`3`		`20`
`4`		`-84`
`5`		`340`
`6`		`-1364`
`7`		`5460`
`8`		`-21844`
`9`		`87380`
`10`		`-349524`
`11`		`1398100`
`12`		`-5592404`
`13`		`22369620`
`14`		`-89478484`
`15`		`357913940`
`16`		`-1431655764`
`17`		`5726623060`
`18`		`-22906492244`
`19`		`91625968980`
`20`		`-366503875924`
`21`		`1466015503700`
`22`		`-5864062014804`
`23`		`23456248059220`
`24`		`-93824992236884`
`25`		`375299968947540`

[1,0,-4,20,-84,340,-1364,5460,-21844,87380, -349524,1398100,-5592404,22369620,-89478484, 357913940,-1431655764,5726623060,-22906492244, 91625968980,-366503875924,1466015503700, -5864062014804,23456248059220,-93824992236884, 375299968947540]

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