# A081546 (b-file synthesized from sequence entry)
0 2
1 5
2 17
3 97
4 257
5 3457
6 12289
7 40961
8 65537
9 786433
10 5308417
11 14155777
12 104857601
13 167772161
14 1811939329
15 3221225473
16 24159191041
17 77309411329
18 206158430209
19 2061584302081
20 2748779069441
21 6597069766657
22 39582418599937