Do we have a formula to determine number of cycles in a complete graph?
108417
Cycles of length k in a complete simple graph with n vertices
119543
Counting edges in a specially defined graph
97630
A graph which is not a single block has at least two leaf blocks
157939
prove that a graph is one-ended
26343
Number of certain (0,1)-matrices, Stanley's Enumerative Combinatorics
55562
Number of total possibilities for an equation
18383
List of ways to tell if degree sequence is impossible for a simple graph
42513
Graph with Cycle and Two-Colorable
8458
Combinatorics problem based on Ferrers graph
138226
Finding All n-regular graphs on m vertices
100832
Number of binary trees with $N$ nodes
111345
Best algorithm for detecting cycles in a directed graph
17868
How to calculate the number of possible connected simple graphs with $n$ labelled vertices
145181
How can I prove the maximum number of edges?
99806
Given an undirected Graph
65574
How to prove that total number of non-isomorphic labelled trees of order $n$ is $n^{n-2}$?
28877
Graph with $k$ components.