Strobogrammatic primes: the same upside down (calculator-style numerals).

Terms

a(0) =2a(1) =5a(2) =11a(3) =101a(4) =151a(5) =181a(6) =619a(7) =659a(8) =6229a(9) =10501a(10) =12821a(11) =15551a(12) =16091a(13) =18181a(14) =19861a(15) =60209a(16) =60509a(17) =61519a(18) =61819a(19) =62129a(20) =116911a(21) =119611a(22) =160091a(23) =169691a(24) =191161a(25) =196961a(26) =605509a(27) =620029a(28) =625529a(29) =626929