A115781 Sequence A115776 in binary.
1111, 11110, 11111, 101101, 101111, 111100, 111101, 111110, 111111, 1011010, 1011110, 1011111, 1111000, 1111010, 1111100, 1111101, 1111110, 1111111, 10100101, 10101101, 10101111, 10110100, 10110101, 10111100, 10111101
Offset: 1