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Hi all,
There is a known formula for the number of solutions to
## x_1+x_2+...+x_k =n ## when ##x_1,x_2,...x_n ##are non-negative Integers.
Question:
Are there known formulas for the sum ##x_1+x_2+...+x_k =n ##
when ## x_1, x_2,..,x_k ##
are positive or negative Integers in a bounded range ## -\infty < m \leq x_i \leq M < \infty ## (redundant) ?
Thanks.
There is a known formula for the number of solutions to
## x_1+x_2+...+x_k =n ## when ##x_1,x_2,...x_n ##are non-negative Integers.
Question:
Are there known formulas for the sum ##x_1+x_2+...+x_k =n ##
when ## x_1, x_2,..,x_k ##
are positive or negative Integers in a bounded range ## -\infty < m \leq x_i \leq M < \infty ## (redundant) ?
Thanks.