Advanced combinatorics question for R
46364
Is the Wilcoxon rank-sum test the right test to see if total donations differ?
96585
Sums and permutation
120744
How many $n\times m$ binary matrices are there, up to row and column permutations?
85104
Counting train stops using combinatorics
73323
Permutations when some objects are alike
23322
Combinatorics Inclusion - Exclusion Principle
128093
Regarding the values that n and r can take in $\binom{n}{r}$
97314
Counting nearly-sorted permutations
65307
Simple combination/probability question based on string-length and possible-characters
43076
Chess tournament combinatorics
24091
How many ways can $r$ nonconsecutive integers be chosen from the first $n$ integers?
111954
Computing the cardinality of a combinatorial set
9971
enumerative combinatorics,In how many ways (as a function of n) can one choose a composition α α of n
135408
Solving permutation problem sequentially.
8049
Generating Combinations
143573
Problem (1.8) A Path to Combinatorics Solution Verification.
150536
Combinatorics, choosing 3 elements from 100