Number of garlands possible
42648
How many different (circular) garlands can be made using $3$ white flowers and $6m$ red flowers?
25283
Intermediate Text in Combinatorics?
86394
EVERGREEN string question. Combinations and permutations
41205
Help me solve a combinatorial problem
6679
Counting number of subsets which contain a specific element
125214
Catalan numbers - number of ways to stack coins
54631
Distribute $N$ objects to $K$ boxes such that no box has more than $c$ objects in it
116647
The number of different ways to choose $k$ out of $n$ unique items
84721
Probability combinatorics deck of cards
85023
Permutation of n objects with restriction of adjacent pairs
45510
Number of vertices present in all maximum matchings
139913
In how many ways can $5$ balls of different colours be placed in $3$ boxes of different sizes if no box remains empty?
120684
Calculating the number of possible paths through some squares
89611
Combinations of selecting $n$ objects with $k$ different types
100832
Number of binary trees with $N$ nodes
120655
Expected number of light bulbs on
153370
Number of different partitions of N