Applied Combinatorics Question on arrangements
104666
Distributing distinct apples and pears to three people so that each person receives at least one pear
8049
Generating Combinations
9971
enumerative combinatorics,In how many ways (as a function of n) can one choose a composition α α of n
131863
Permutation question on alphabets
27141
Combinatorics identity question
43076
Chess tournament combinatorics
142477
Closed-form expression for the number of $k$-permutations of length $n$. Duplicates allowed!
60661
How to solve this combination problem quickly?
13860
IMO/1981 - Combinatorics
61483
Prove the following identity combinatorially
17580
Combinatorics That Looks Similar to Vandermonde's Identity
152911
Stirling numbers combinatorial proof
4747
arrangement of $n$ oranges and $n$ apples around a circle
42062
Interpretation of a combinatorial expression
122504
Factorisations of permutations
25283
Intermediate Text in Combinatorics?
39872
Good Book On Combinatorics