Distribute an integer $m$ to lists of length $n$ in all possible ways?
56135
Find all permutations with a condition
148906
Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
131583
How can I distribute $9$ people in $3$ groups of $3$ people?
34132
How to add lists with unequal length?
62175
A general formula for $n$ distinguishable arrangements of length $\ell$ of a sequence of a given size?
147181
Concise way to generate multiset lists
32653
Smallest integer divisible by all up to $n$
20973
How can I find all the subsets of a set, with exactly n elements?
26879
Alternative way to split a list into groups of n
70439
Mapping two integers to one, in a unique and deterministic way
52564
$m\times n$ matrix with an even number of 1s in each row and column
60007
Partitions with at most k parts, each of at most l
14979
Making all possible combinations of a list
142978
combinatorics: sum of product of integer compositions
28496
Generating the partitions of a number
68882
Path to Combinatorics Problem [$1.11$]
31969
Partition of N into infinite number of infinite disjoint sets?