A055634 - OEIS

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A055634 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`1`
`3`		`-3`
`4`		`3`
`5`		`-15`
`6`		`15`
`7`		`-105`
`8`		`105`
`9`		`-945`
`10`		`945`
`11`		`-10395`
`12`		`10395`
`13`		`-135135`
`14`		`135135`
`15`		`-2027025`
`16`		`2027025`
`17`		`-34459425`
`18`		`34459425`
`19`		`-654729075`
`20`		`654729075`
`21`		`-13749310575`
`22`		`13749310575`
`23`		`-316234143225`
`24`		`316234143225`
`25`		`-7905853580625`
`26`		`7905853580625`
`27`		`-213458046676875`
`28`		`213458046676875`

[1,-1,1,-3,3,-15,15,-105,105,-945,945,-10395, 10395,-135135,135135,-2027025,2027025,-34459425, 34459425,-654729075,654729075,-13749310575, 13749310575,-316234143225,316234143225, -7905853580625,7905853580625,-213458046676875, 213458046676875]

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Last modified April 24 11:21 EDT 2024. Contains 371936 sequences. (Running on oeis4.)