# A068523 (b-file synthesized from sequence entry)
1 2
2 3
3 5
4 7
5 11
6 17
7 23
8 37
9 59
10 89
11 139
12 227
13 359
14 577
15 929
16 1499
17 2423
18 3919
19 6337
20 10253