# A139817 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 7
4 14
5 30
6 62
7 125
8 253
9 509
10 1020
11 2044
12 4092
13 8188
14 16379
15 32763
16 65531
17 131066
18 262138
19 524282
20 1048569
21 2097145
22 4194297
23 8388601
24 16777208
25 33554424
26 67108856
27 134217719
28 268435447
29 536870903
30 1073741814
31 2147483638
32 4294967286
33 8589934582