A131440 - OEIS

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A131440 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`-1`
`3`		`15`
`4`		`-5`
`5`		`1`
`6`		`35`
`7`		`-35`
`8`		`7`
`9`		`-1`
`10`		`315`
`11`		`-105`
`12`		`63`
`13`		`-3`
`14`		`1`
`15`		`693`
`16`		`-1155`
`17`		`231`
`18`		`-33`
`19`		`11`
`20`		`-1`
`21`		`3003`
`22`		`-3003`
`23`		`3003`
`24`		`-143`
`25`		`143`
`26`		`-13`
`27`		`1`
`28`		`6435`
`29`		`-15015`
`30`		`9009`
`31`		`-2145`
`32`		`715`
`33`		`-13`
`34`		`1`
`35`		`-1`
`36`		`109395`
`37`		`-36465`
`38`		`51051`
`39`		`-7293`
`40`		`12155`
`41`		`-221`
`42`		`17`
`43`		`-17`
`44`		`1`
`45`		`230945`
`46`		`-692835`
`47`		`138567`
`48`		`-46189`
`49`		`46189`
`50`		`-4199`
`51`		`323`
`52`		`-323`
`53`		`19`
`54`		`-1`

[1,3,-1,15,-5,1,35,-35,7,-1,315,-105,63,-3,1,693, -1155,231,-33,11,-1,3003,-3003,3003,-143,143,-13, 1,6435,-15015,9009,-2145,715,-13,1,-1,109395, -36465,51051,-7293,12155,-221,17,-17,1,230945, -692835,138567,-46189,46189,-4199,323,-323,19,-1]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)