“…Bantva [19] slightly improved the lower bound that was established in [20]. In addition, Yenoke et al [21] proved that π π (πΈπ (π, π)) β€ (π β 2)(4π 2 β 9π + 8) + 2(π β 1) 2 + (π + 1), where πΈπ (π, π) is the enhanced mesh, π β₯ 4. This paper is divided as follows:…”