Table 23 Partition of edges of \(H_2\), when \(x>1\), \(y>1\).

From: Chemical significance and degeneracy of weighted degree-based topological descriptor second Davan index for octane isomers and computation of certain nanostructures

\((d_{H_2}^w(r), d_{H_2}^w(s))\),

where \(rs \in E(H_2)\)

(5, 5)

(5, 11)

(11, 11)

(11,12)

(12,12)

Number of edges

2x

4x

2x

4x

\(12xy-14x\)

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