Table 5: The asymptotic property of for large positive ( , ).

  (Benchmark) [6, 7]

5−1.716726334844−1.720787657520503
6−1.720379077486
7−1.720761188971
8−1.720786568654
9−1.720787629355
10−1.720787657066
11−1.720787657516
12−1.720787657520
13−1.720787657521
14−1.720787657521
15−1.720787657521
20−1.720787657521
25−1.720787657521
30−1.720787657521