158907

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/32 ).at n=49A011942
• Array read by columns: T(n,m) = number of unlabeled graphs with n vertices and m unicyclic components.at n=41A137918
• Numbers of unlabeled graphs with n vertices and 2 unicyclic components.at n=11A138387