# A115773 (b-file synthesized from sequence entry)
0 0
1 101
2 1010
3 1111
4 10100
5 10101
6 11110
7 11111
8 101000
9 101010
10 101101
11 101111
12 111100
13 111101
14 111110
15 111111
16 1010000
17 1010100
18 1010101
19 1011010
20 1011110
21 1011111
22 1111000
23 1111010
24 1111100
25 1111101
26 1111110
27 1111111
28 10100000