# A337481 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 1
4 5
5 11
6 25
7 55
8 117
9 241
10 493
11 1001
12 2019
13 4061
14 8149
15 16331
16 32705
17 65461
18 130981
19 262037
20 524161
21 1048425
22 2096975
23 4194097
24 8388365
25 16776933
26 33554103
27 67108481
28 134217285
29 268434945
30 536870321
31 1073741145
32 2147482869
33 4294966401
34 8589933569