Primes equal to a hexagonal number plus 1.

Terms

a(0) =2a(1) =7a(2) =29a(3) =67a(4) =191a(5) =277a(6) =379a(7) =631a(8) =947a(9) =1129a(10) =1327a(11) =2017a(12) =2557a(13) =2851a(14) =4561a(15) =4951a(16) =5779a(17) =6217a(18) =8647a(19) =9181a(20) =12721a(21) =13367a(22) =14029a(23) =15401a(24) =16111a(25) =17579a(26) =20707a(27) =21529a(28) =22367a(29) =24091