Combinatorics-graph colouring
7062
Can the complete graph $K_9$, be 2-coloured with no blue $K_4$ or red triangles?
44394
Coloring a $10×10$ grid
158285
How to solve this combinatorial problem about selecting letters from different groups?
33711
drawing different parts of a line in different colours
149538
graph theory - clique graph
69748
Semi-Ambiguous Combinatorics Problem
49193
Constructing a graph from a degree sequence
137322
Construction of a triangle-free graph of chromatic number $1526$
134938
Committee combinatorics
60102
Coloring a shape according to a function
55944
Chromatic polynomial of connected graph $ \leq x(x-1)^{n-1}$
143573
Problem (1.8) A Path to Combinatorics Solution Verification.
14932
What would be the number of inequivalent $6$-colourings of the faces of a cube?
101758
combinatorics circular arrangement problem
78685
How to find all proper colorings (four coloring) of a graph with a brute force algorithm
52056
Chromatic Triangles on a $K_{17}$ graph
78243
graph-theory problem about outdegree and indegree