# A209970 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 4
4 10
5 24
6 50
7 108
8 220
9 452
10 916
11 1860
12 3744
13 7560
14 15202
15 30576
16 61420
17 123360
18 247542
19 496692
20 996088
21 1997272
22 4003558
23 8023884
24 16077964
25 32212248
26 64527436
27 129246660
28 258847876
29 518358120
30 1037949256
31 2078209980
32 4160747500
33 8329633416
34 16674575056
35 33378031536