# A251656 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 0
4 2
5 3
6 6
7 11
8 22
9 42
10 81
11 156
12 301
13 580
14 1118
15 2155
16 4154
17 8007
18 15434
19 29750
20 57345
21 110536
22 213065
23 410696
24 791642
25 1525939
26 2941342
27 5669619
28 10928542
29 21065442
30 40604945
31 78268548
32 150867477
33 290806412
34 560547382
35 1080489819