Research Article

Chemical Applicability of Newly Introduced Topological Invariants and Their Relation with Polycyclic Compounds

Table 13

The number of edges of .

Frequency

(2, 4)1
(3, 5)1
(6, 5)1
(4, 5)2
(5, 5)
(7, 5)
(6, 7)
(7, 9)
(7, 8)1
(4, 7)1
(8, 5)
(8, 9)
(8, 8)
(9, 9)
(6, 8)