# A231643 (b-file synthesized from sequence entry)
0 10
1 15
2 25
3 45
4 85
5 165
6 325
7 645
8 1285
9 2565
10 5125
11 10245
12 20485
13 40965
14 81925
15 163845
16 327685
17 655365
18 1310725
19 2621445
20 5242885
21 10485765
22 20971525
23 41943045
24 83886085
25 167772165
26 335544325
27 671088645
28 1342177285
29 2684354565
30 5368709125
31 10737418245