# A101680 (b-file synthesized from sequence entry) 0 1 1 11 2 111 3 1011 4 10111 5 111011 6 1100111 7 10001011 8 100010111 9 1100111011 10 11101100111 11 101110001011 12 1011000010111 13 11100000111011 14 110000001100111 15 1000000010001011 16 10000000100010111 17 110000001100111011