# A174265 (b-file synthesized from sequence entry)
1 3
2 5
3 7
4 13
5 17
6 19
7 31
8 61
9 89
10 107
11 127
12 521
13 607
14 1279
15 2203
16 2281
17 3217
18 4253
19 4423
20 9689
21 9941
22 11213
23 19937
24 21701
25 23209
26 44497
27 86243
28 110503
29 132049
30 216091
31 756839
32 859433
33 1257787
34 1398269
35 2976221
36 3021377
37 6972593
38 13466917