A007312 - OEIS

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A007312 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-2`
`3`		`5`
`4`		`-15`
`5`		`52`
`6`		`-200`
`7`		`825`
`8`		`-3565`
`9`		`15900`
`10`		`-72532`
`11`		`336539`
`12`		`-1582593`
`13`		`7524705`
`14`		`-36111810`
`15`		`174695712`
`16`		`-851020367`
`17`		`4171156249`
`18`		`-20555470155`
`19`		`101787990805`
`20`		`-506227992092`
`21`		`2527493643612`
`22`		`-12663916942984`
`23`		`63656297034920`
`24`		`-320914409885850`
`25`		`1622205233276889`

[1,-2,5,-15,52,-200,825,-3565,15900,-72532,336539, -1582593,7524705,-36111810,174695712,-851020367, 4171156249,-20555470155,101787990805, -506227992092,2527493643612,-12663916942984, 63656297034920,-320914409885850,1622205233276889]

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Last modified May 7 13:48 EDT 2024. Contains 372303 sequences. (Running on oeis4.)