# A216561 (b-file synthesized from sequence entry)
1 3
2 4
3 5
4 7
5 13
6 17
7 23
8 43
9 47
10 83
11 137
12 433
13 4723
14 5387
15 9677
16 30757
17 50833
18 201107
19 931517
20 1049897
21 1285607
22 1636007