A053495 - OEIS

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A053495 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`-1`
`4`		`2`
`5`		`-2`
`6`		`1`
`7`		`-4`
`8`		`6`
`9`		`-6`
`10`		`-1`
`11`		`6`
`12`		`-18`
`13`		`24`
`14`		`-24`
`15`		`1`
`16`		`-9`
`17`		`36`
`18`		`-96`
`19`		`120`
`20`		`-120`
`21`		`-1`
`22`		`12`
`23`		`-72`
`24`		`240`
`25`		`-600`
`26`		`720`
`27`		`-720`
`28`		`1`
`29`		`-16`
`30`		`120`
`31`		`-600`
`32`		`1800`
`33`		`-4320`
`34`		`5040`
`35`		`-5040`
`36`		`-1`
`37`		`20`
`38`		`-200`
`39`		`1200`
`40`		`-5400`
`41`		`15120`
`42`		`-35280`
`43`		`40320`
`44`		`-40320`
`45`		`1`
`46`		`-25`
`47`		`300`
`48`		`-2400`
`49`		`12600`

[1,1,-1,-1,2,-2,1,-4,6,-6,-1,6,-18,24,-24,1,-9,36, -96,120,-120,-1,12,-72,240,-600,720,-720,1,-16, 120,-600,1800,-4320,5040,-5040,-1,20,-200,1200, -5400,15120,-35280,40320,-40320,1,-25,300,-2400, 12600]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)