A077812 Squarefree kernel of numbers containing in their decimal representation only the digits 0 and 1.

1, 10, 11, 10, 101, 110, 111, 10, 1001, 1010, 1011, 110, 1101, 1110, 1111, 10, 10001, 10010, 10011, 1010, 10101, 10110, 10111, 110, 11001, 11010, 1001, 1110, 11101, 11110, 11111, 10, 100001, 100010, 100011, 10010, 100101, 100110, 100111, 1010