# A115875 (b-file synthesized from sequence entry) 0 0 1 111 2 1110 3 11100 4 11111 5 111000 6 111110 7 111111 8 1110000 9 1110111 10 1111100 11 1111110 12 1111111 13 11100000 14 11101110 15 11111000 16 11111100 17 11111110 18 11111111 19 111000000 20 111000111 21 111011100 22 111110000 23 111111000 24 111111100