# A063697 (b-file synthesized from sequence entry)
0 0
1 10
2 11
3 111
4 101
5 11111
6 101
7 1111111
8 10001
9 1001001
10 10101
11 11111111111
12 10001
13 1111111111111
14 1010101
15 100101001
16 100000001
17 11111111111111111
18 1000001
19 1111111111111111111
20 100010001
21 1001001001001
22 10101010101