Number of combinations from a set with repeated items
128186
How many words can be formed, each of $2$ vowels and $3$ consonants from letters of the word "DAUGHTER".
157621
Combinatorics involving picking a specific amount of consonants without repeat and vowels (can repeat)
116647
The number of different ways to choose $k$ out of $n$ unique items
41205
Help me solve a combinatorial problem
147766
Sum of Permutations from 0 to n
93748
Alternative to Subsets to generate k-combinations
3568
Fast way to get a position of combination (without repetitions)
155605
Find combinations in arrays
137471
Permutations of a string with duplicate characters
102510
Count number of subsets of 3 elements either disjoint or whose intersection is a singleton
8049
Generating Combinations
24212
proving how many permutations exist.
65843
Number of possible combinations of x numbers that sum to y
82207
Number of Pairs of Subsets
116251
Number of distinct total orders on a set
68581
Combination for subset with duplicates
22454
How many combinations can I make?