# A057471 (b-file synthesized from sequence entry)
1 0
2 1
3 2
4 5
5 9
6 11
7 21
8 42
9 46
10 61
11 69
12 70
13 78
14 99
15 183
16 361
17 1034
18 1291
19 1570
20 1838
21 5994