# A018779 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 4
5 5
6 6
7 10
8 12
9 15
10 17
11 20
12 30
13 34
14 51
15 60
16 68
17 85
18 102
19 170
20 204
21 255
22 340
23 510
24 1020