least number of edges of a graph which contains a square and n vertices
65622
Maximum edges in a square free graph
72417
Bipartite graphs
138226
Finding All n-regular graphs on m vertices
117349
counting triangles in a graph or its complement
115085
number of vertices in a self-complemntary graph
72267
Prove there's a simple path of length $k$ in a simple graph $G$ where all the vertices have degree of at least $k$
137072
Number Of Distinct Paths In A Rectangular Grid
17868
How to calculate the number of possible connected simple graphs with $n$ labelled vertices
136918
How to determine the smallest numbers with $n$ factors
108417
Cycles of length k in a complete simple graph with n vertices
38466
Proving that the number of vertices of odd degree in any graph G is even
33316
Show that if $G$ is simple a graph with $n$ vertices and 􏰈the number of edges $m>\binom{n-1}{2}$, then $G$ is connected.
100168
Prove the existence of a graph of 15 vertices with some vertices degree given
97630
A graph which is not a single block has at least two leaf blocks
76104
Bipartite graph. average degree. Euler circuit.
5448
Finding the closure of some subsets of the ordered square
59247
How many connected graphs over V vertices and E edges?