M-Polynomial and NM-Polynomial Methods for Topological Indices of Polymers

Table 5

Edge partition of the neighborhood degree-based indices for poly--glutamic acid.

,	No. of edges
(3, 4)	2
(3, 5)	2n
(3, 6)	2n − 1
(4, 5)	1
(5, 5)	2n − 1
(5, 6)	n + 1
(6, 6)	2n