Simple combination with repetition problem
107964
Simple combinatorics problem.
152333
A problem based on pigeonhole
38037
A problem with my reasoning in a problem about combinations
1405
Arrangements of a,a,a,b,b,b,c,c,c in which no three consecutive letters are the same
17213
what operation repeated $n$ times results in the addition operator?
68882
Path to Combinatorics Problem [$1.11$]
78622
How to understand the combination formula?
41205
Help me solve a combinatorial problem
143424
Sequence problem involving inequalities
95647
How do I repeat a character n times in a string?
36287
How to create all possible permutations?
13418
Solve the recurrence
48605
Distinct digits in a combination of 6 digits
377
Problem involving many squares and several variables.
67513
Generating random numbers without repetitions
74682
How should I solve combination addition like this?
30136
Proof that a Combination is an integer