# A149100 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 8
4 33
5 96
6 356
7 1247
8 4571
9 17184
10 65009
11 248797
12 973981
13 3792464
14 15064338
15 59942711
16 239916910
17 969858096
18 3922559131
19 15980739490
20 65382849875
21 268024851468
22 1105180616622
23 4564678257229
24 18914827942473
25 78657929701182
26 327546334235796
27 1368466497881361
28 5728666877270046