# A115832 (b-file synthesized from sequence entry) 0 0 1 1 2 10 3 100 4 101 5 1000 6 1010 7 10000 8 10100 9 100000 10 100001 11 101000 12 1000000 13 1000001 14 1000010 15 1010000 16 10000000 17 10000001 18 10000010 19 10000100 20 10000101 21 10001111 22 10100000 23 10100001 24 100000000 25 100000001 26 100000010 27 100000100 28 100000101 29 100001000 30 100001010