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

Table 7

Edge partition of neighborhood degree-based indices for poly-L-lysine

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