# A139800 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 2
5 2
6 4
7 8
8 18
9 34
10 68
11 136
12 274
13 546
14 1092
15 2184
16 4370
17 8738
18 17476
19 34952
20 69906
21 139810
22 279620
23 559240
24 1118482
25 2236962
26 4473924
27 8947848
28 17895698
29 35791394
30 71582788
31 143165576
32 286331154
33 572662306
34 1145324612
35 2290649224