Numbers k such that 2k + 1 is a palindromic prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =50a(5) =65a(6) =75a(7) =90a(8) =95a(9) =156a(10) =176a(11) =186a(12) =191a(13) =363a(14) =378a(15) =393a(16) =398a(17) =459a(18) =464a(19) =5150a(20) =5250a(21) =5300a(22) =5655a(23) =5705a(24) =6210a(25) =6360a(26) =6410a(27) =6665a(28) =6915a(29) =6965