Table 1: Exact and approximate values of the Favard constants , calculated by the recursive formulas (7a) and (7b) using Mathematica software package.

Exact values of Approximate values of

1 1.5707963267948966192313216916
2 1.2337005501361698273543113749
3 1.2919281950124925073115131277
4 1.2683475395052400681828168318
5 1.2750820199386727219280887918
6 1.2726723265645306132561498711
7 1.2734371248066831633864461900
8 1.2731754806526058136347769671
9 1.2732612424724875463814366656
10 1.2732323827293948495082797108
11 1.2732419458721540967715077901
12 1.2732387471572495304117396905