Primes from merging of 4 successive digits in decimal expansion of Catalan's constant.

Terms

a(0) =4177a(1) =7219a(2) =1901a(3) =4603a(4) =1493a(5) =9323a(6) =7741a(7) =1493a(8) =4937a(9) =8167a(10) =7213a(11) =9811a(12) =6217a(13) =6301a(14) =3019a(15) =6947a(16) =9479a(17) =4793a(18) =5651a(19) =1151a(20) =9619a(21) =6199a(22) =8803a(23) =9059a(24) =9431a(25) =9473a(26) =7481a(27) =9533a(28) =7331a(29) =3319