Primes from merging of 6 successive digits in decimal expansion of cos(1).

Terms

a(0) =586813a(1) =813971a(2) =373231a(3) =206179a(4) =670097a(5) =553811a(6) =110039a(7) =645179a(8) =183089a(9) =265417a(10) =116447a(11) =474479a(12) =949423a(13) =233117a(14) =924551a(15) =245513a(16) =543359a(17) =637573a(18) =549641a(19) =177511a(20) =751151a(21) =122273a(22) =631357a(23) =236771a(24) =771401a(25) =746899a(26) =689959a(27) =366787a(28) =674227a(29) =156329