Truncation order n

Standard series

Improved series

5

2.976046176046177

3.144588744588745

10

3.232315809405594

3.141633873522418

15

3.079153394197428

3.141593416930244

20

3.189184782277596

3.141592669805532

25

3.103145312886013

3.141592653962860

30

3.173842337190751

3.141592653598837

35

3.113820229023574

3.141592653590020

40

3.165979272843216

3.141592653589798

45

3.119856090062712

3.141592653589792

50

3.161198612987051

3.141592653589793