# A298943 (b-file synthesized from sequence entry)
1 2
2 3
3 7
4 19
5 31
6 127
7 607
8 1279
9 2281
10 3217
11 4423
12 11213
13 23209
14 44497
15 132049
16 216091
17 1398269
18 3021377
19 6972593
20 13466917
21 43112609