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Jun 18, 2017 at 21:35 vote accept Hamed
Jun 16, 2017 at 22:14 comment added Sera Gunn @Hamed Yes, all solutions to the equation with $i, j_0, \dots, j_{m - 1} \ge 0$ (although by definition that symbol is zero if $i, j_0,\dots,j_{m - 1}$ don't sum to $k$ or are not all non-negative. See this question.
Jun 16, 2017 at 22:10 comment added Hamed What do you mean by $\binom{k}{i,j_0,\dots,j_{m-1}}$? And is the summation over the solutions of the equation?
Jun 16, 2017 at 0:48 history edited Sera Gunn CC BY-SA 3.0
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Jun 16, 2017 at 0:41 history answered Sera Gunn CC BY-SA 3.0