# A115812 (b-file synthesized from sequence entry) 1 1111 2 11110 3 111100 4 1111000 5 11110000 6 111100000 7 1111000000 8 11110000000 9 111100000000 10 111100001111 11 1111000000000 12 1111000001111 13 1111000011110 14 1111000011111 15 1111100001111 16 11110000000000 17 11110000001111