Prime numbers whose binary expansion involves powers of 2 with only composite (or zero) exponents.

Terms

a(0) =17a(1) =257a(2) =337a(3) =577a(4) =593a(5) =769a(6) =1297a(7) =1361a(8) =1553a(9) =1601a(10) =1873a(11) =4177a(12) =4673a(13) =5393a(14) =5441a(15) =5953a(16) =16657a(17) =17489a(18) =17681a(19) =17729a(20) =17921a(21) =18257a(22) =20753a(23) =21313a(24) =21521a(25) =21569a(26) =21841a(27) =22273a(28) =32833a(29) =33601