Primes whose greatest digit is 1.

Terms

a(0) =11a(1) =101a(2) =10111a(3) =101111a(4) =1011001a(5) =1100101a(6) =10010101a(7) =10011101a(8) =10100011a(9) =10101101a(10) =10110011a(11) =10111001a(12) =11000111a(13) =11100101a(14) =11110111a(15) =11111101a(16) =100100111a(17) =100111001a(18) =101001001a(19) =101001011a(20) =101100011a(21) =101101111a(22) =101111011a(23) =101111111a(24) =110010101a(25) =110101001a(26) =110111011