Combination on the different sum of money
65070
Combinations of a penny, nickel, dime, and quarter
102349
sum of all the numbers that can be formed using the digits 2,3,3,4,4,4..
132009
Combination of List>
6273
Is there a possibility to choose fairly from three items when every choice can only have 2 options
139237
How to sum over duplicates?
626
Sum of combinations with varying $n$
89512
Finding two numbers given their sum and their product
15761
Rubik's Cube Combination
115852
Chess Piece Combinations
96585
Sums and permutation
27001
How to calculate the following sum:
156310
Difference between “combination of ” and “combination between”
140877
Evaluate the sum $\sum_{k=1}^n {n \choose k-1} {n \choose k}$
68007
Sum or Product with Exclusions
157280
How do I sum up specific things in Numbers?
116626
How to choose between an odd number of options with a fair coin
21598
A game of guessing a chosen number