n

2

3

4

5

6

7

8

A₂

1.880

1.023

0.728

0.577

0.483

0.419

0.373

D₃

0

0

0

0

0

0.076

0.136

D₄

3.267

2.574

2.282

2.114

2.004

1.924

1.864