Numbers k such that 343*2^k+1 is prime.

Terms

a(0) =2a(1) =20a(2) =22a(3) =46a(4) =58a(5) =226a(6) =3760a(7) =7060a(8) =16192a(9) =22018a(10) =35576a(11) =103952a(12) =113326a(13) =120716a(14) =285122a(15) =543148a(16) =785510a(17) =1033126