# A115802 (b-file synthesized from sequence entry) 0 0 1 1111 2 11110 3 11111 4 111100 5 111110 6 111111 7 1111000 8 1111100 9 1111110 10 1111111 11 11110000 12 11111000 13 11111100 14 11111110 15 11111111 16 111100000 17 111110000 18 111111000 19 111111100 20 111111110 21 111111111 22 1111000000