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Jan 26, 2019 at 22:33 comment added Per Alexandersson I an also very curious about the sum - it looks like the major index statistic on some family of lattice paths with some restriction (using inclusion-exclusion)...
Jan 23, 2017 at 12:41 vote accept Bumblebee
Jan 23, 2017 at 2:31 answer added T. Amdeberhan timeline score: 6
Jan 23, 2017 at 2:04 comment added Konstantinos Kanakoglou Out of curiosity: where did you find this sum? I mean did you find it mentioned in some paper or is it a byproduct of some calculations of yours? It would be helpful to add some more context.
Jan 23, 2017 at 1:36 history edited Bumblebee CC BY-SA 3.0
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Jan 23, 2017 at 1:15 comment added Bumblebee I use the definition $[n]_q=1+q+q^2+\cdots+q^{n-1}$ for q-integers .
Jan 23, 2017 at 1:10 comment added Konstantinos Kanakoglou What is your definition of $\big[..\big]_q$ ?
Jan 23, 2017 at 1:03 history edited Bumblebee CC BY-SA 3.0
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Jan 23, 2017 at 0:53 history asked Bumblebee CC BY-SA 3.0