# A002231 (b-file synthesized from sequence entry)
1 2
2 3
3 5
4 7
5 11
6 19
7 43
8 53
9 79
10 107
11 149
12 151
13 163
14 211
15 223
16 263
17 277
18 307
19 347
20 349
21 367
22 383
23 461
24 479
25 503