Prime numbers with prime sum of any two digits.

Terms

a(0) =11a(1) =23a(2) =29a(3) =41a(4) =43a(5) =47a(6) =61a(7) =67a(8) =83a(9) =89a(10) =211a(11) =2111a(12) =4111a(13) =11161a(14) =11411a(15) =16111a(16) =111121a(17) =111211a(18) =111611a(19) =112111a(20) =611111a(21) =1111211a(22) =1114111a(23) =11111141a(24) =11111161a(25) =11141111a(26) =61111111a(27) =1111111121a(28) =1111111411a(29) =1111211111