Table 1 Edges partition D1(t).
\((\eta_{G} (u)\,,\,\,\eta_{G} (v))\) | \(\left( {2,2} \right)\) | \(\left( {2,3} \right)\) | \(\left( {2,4} \right)\) | \(\left( {3,3} \right)\) | \(\left( {3,4} \right)\) | \(\left( {4,4} \right)\) |
|---|---|---|---|---|---|---|
Frequency | \(4t\) | \(4t - 4\) | \(28t - 16\) | \(9t^{2} - 13t + 5\) | \(36t^{2} - 56t + 24\) | \(36t^{2} - 52t + 20\) |