Numbers k such that 16 * 3^k + 1 is prime.

Terms

a(0) =0a(1) =3a(2) =4a(3) =5a(4) =12a(5) =24a(6) =36a(7) =77a(8) =195a(9) =296a(10) =297a(11) =533a(12) =545a(13) =644a(14) =884a(15) =932a(16) =1409a(17) =2061a(18) =2453a(19) =2985a(20) =3381a(21) =4980a(22) =5393a(23) =11733a(24) =13631a(25) =14516a(26) =21004a(27) =27663a(28) =32645a(29) =39453