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Integer composition in exactly $T$ parts with maximum addend constraint.
In how many ways an integer $N$ can be partitioned into exactly $T$ parts such that
$T = \lfloor N/K \rfloor + 1$
$N = A_1 + A_2 + \cdots+ A_T$ where order matters
$0 \lt A_i \leq K$
$ N \bmod K \...
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Ways to arrange in a two dimensional array an increasing sequence
Given a $n\times m$ grid, which has the number 1 in the upper-left square and a positive integer $1\leq k\leq n+m-1$ in the lower right-square, I am trying to determine in how many ways can the ...
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