# A261862 (b-file synthesized from sequence entry)
1 3
2 7
3 31
4 73
5 85
6 127
7 2047
8 3133
9 4369
10 8191
11 11275
12 49981
13 60787
14 76627
15 121369
16 131071
17 140911
18 178481
19 262657
20 486737
21 524287
22 599479
23 1082401