Table 3.

Coefficients for Eq. (8).

i	Ei	ci
1	0.151 6	0.6995
2	0.128 56	1.654
3	0.025 921	3.7
4	−0.084 443	4.2
5	0.082 210	4.7
6	−0.046 209	5.3
7	0.018 246	5.55