Squares of binary palindromes.

Terms

a(0) =0a(1) =1a(2) =1001a(3) =11001a(4) =110001a(5) =1010001a(6) =11100001a(7) =100100001a(8) =110111001a(9) =1011011001a(10) =1111000001a(11) =10001000001a(12) =11111101001a(13) =101000101001a(14) =111110000001