N₁ = ∙∙∙ = N₇

2²

2³

2⁴

2⁵

ε₀

1.26e+01

8.86e+00

6.14e+00

4.23e+00

r₀

*

2^0.50

2^0.53

2^0.54

ε₁

*

1.66e−02

4.15e−03

1.04e−03

r₁

*

*

2^2.00

2^2.00

ε₂

*

*

1.26e−05

7.99e−07

r₂

*

*

*

2^4.00