Number of points

p = 3

P = “optimal”

4

0.458521

0.471231 (p = 5)

8

0.465498

0.467126 (p = 7)

12

0.466553

0.467107 (p = 7)

16

0.466854

0.467107 (p = 9)

32

0.467072

0.467107 (p = 9)