A007253 - OEIS

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A007253 as a simple table

`n`		`a(n)`
`-1`		`1`
`0`		`0`
`1`		`-6`
`2`		`20`
`3`		`15`
`4`		`36`
`5`		`0`
`6`		`-84`
`7`		`195`
`8`		`100`
`9`		`240`
`10`		`0`
`11`		`-461`
`12`		`1020`
`13`		`540`
`14`		`1144`
`15`		`0`
`16`		`-1980`
`17`		`4170`
`18`		`2040`
`19`		`4275`
`20`		`0`
`21`		`-6984`
`22`		`14340`
`23`		`6940`
`24`		`14076`
`25`		`0`
`26`		`-21936`
`27`		`44025`
`28`		`20760`
`29`		`41476`
`30`		`0`
`31`		`-62484`
`32`		`123620`
`33`		`57630`
`34`		`113244`
`35`		`0`
`36`		`-166056`
`37`		`324120`
`38`		`148900`
`39`		`289578`
`40`		`0`

[1,0,-6,20,15,36,0,-84,195,100,240,0,-461,1020, 540,1144,0,-1980,4170,2040,4275,0,-6984,14340, 6940,14076,0,-21936,44025,20760,41476,0,-62484, 123620,57630,113244,0,-166056,324120,148900, 289578,0]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)