Numbers k such that 447*2^k+1 is prime.

Terms

a(0) =2a(1) =16a(2) =19a(3) =20a(4) =23a(5) =50a(6) =52a(7) =71a(8) =116a(9) =286a(10) =379a(11) =391a(12) =395a(13) =410a(14) =454a(15) =476a(16) =700a(17) =716a(18) =1340a(19) =1442a(20) =1712a(21) =1996a(22) =2231a(23) =2396a(24) =2783a(25) =2959a(26) =4124a(27) =4466a(28) =7424a(29) =8186