M-Polynomials and Degree-Based Topological Indices of Triangular, Hourglass, and Jagged-Rectangle Benzenoid Systems

Table 1

Topological indices of triangular benzenoid for different values of p.

Name of index	p = 1	p = 2	p = 3	p = 4	p = 5
M-polynomial
First Zagreb Index	24	72	138	222	324
Second Zagreb Index	46.50000000	132	244.5000000	384	550.5000000
Modified second Zagreb Index	1.500000000	2.833333333	4.500000000	6.500000000	8.833333333
Randić Index for	17.39387692	41.09081537	73.78775383	115.4846923	166.1816308
Inverse Randić Index for	2.898979486	7.348469229	12.79795897	19.24744872	26.69693846
Symmetric Division Index	18	5	90	135	186
Harmonic Index	3	6.400000000	10.80000000	16.20000000	22.60000000
Inverse Sum Index	6	17.70000000	33.90000000	27.30000000	39.90000000
Augmented Zagreb Index	48	466.1718750	918.5156250	1405.031250	1925.718750