Numbers k such that 2^k + 19 is prime.

Terms

a(0) =2a(1) =6a(2) =30a(3) =162a(4) =654a(5) =714a(6) =1370a(7) =1662a(8) =1722a(9) =2810a(10) =77142a(11) =156254a(12) =432974a(13) =1092242a(14) =1245230