Palindromes i such that 2*i^2 is a palindrome.

Terms

a(0) =0a(1) =1a(2) =2a(3) =11a(4) =101a(5) =111a(6) =1001a(7) =1111a(8) =10001a(9) =10101a(10) =11011a(11) =100001a(12) =101101a(13) =110011a(14) =1000001a(15) =1001001a(16) =1010101a(17) =1100011a(18) =10000001a(19) =10011001a(20) =10100101a(21) =11000011a(22) =100000001a(23) =100010001a(24) =100101001a(25) =101000101a(26) =110000011a(27) =1000000001a(28) =1000110001a(29) =1001001001