Table 1 The coefficients ${\mathit{a}}_{\mathbf{0}}\mathbf{,}{\mathit{a}}_{\mathbf{1}}\mathbf{,}\mathbf{\dots }\mathbf{,}{\mathit{a}}_{\mathbf{20}}$

4,770,923,133,534,208

45,577,737,845,735,424

208,413,045,121,875,968

606,289,729,726,119,936

1,257,880,992,601,669,632

1,977,530,020,741,201,920

2,443,128,584,682,799,104

2,427,671,832,468,406,272

1,969,549,944,783,110,144

1,316,806,964,788,476,928

729,144,476,396,464,128

334,812,607,979,053,568

127,214,924,071,312,896

39,763,039,787,401,392

10,120,564,836,367,104

2,064,597,817,622,592

329,565,434,362,848

39,662,337,834,126

3,384,693,012,652

182,584,573,899

4,681,655,741