# A217525 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 0
5 2
6 4
7 6
8 15
9 31
10 67
11 155
12 343
13 787
14 1829
15 4233
16 9940
17 23454
18 55540
19 132390
20 316704
21 760462
22 1833050
23 4431552
24 10745282
25 26125316
26 63672044
27 155536070
28 380739734
29 933832952
30 2294581836
31 5647750518
32 13923153431
33 34375447863
34 84989987987
35 210407135915
36 521547749731
37 1294310608775
38 3215632551785
39 7997467696213
40 19910095233857