A084472 Write n in binary and replace 0 by 00.

1, 100, 11, 10000, 1001, 1100, 111, 1000000, 100001, 100100, 10011, 110000, 11001, 11100, 1111, 100000000, 10000001, 10000100, 1000011, 10010000, 1001001, 1001100, 100111, 11000000, 1100001, 1100100, 110011, 1110000