Numbers k such that either 2^k + prime(k) or 2^k - prime(k) is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =11a(5) =12a(6) =13a(7) =14a(8) =19a(9) =23a(10) =24a(11) =26a(12) =57a(13) =61a(14) =96a(15) =106a(16) =175a(17) =189a(18) =226a(19) =227a(20) =311a(21) =312a(22) =373a(23) =483a(24) =741a(25) =1046a(26) =1298a(27) =1787a(28) =1952a(29) =2130