# A033301 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 6
9 16
10 60
11 266
12 1547
13 10786
14 88193
15 805579
16 8037796
17 86223660
18 985883873
19 11946592242
20 152808993767
21 2056701139136
22 29051369533596
23 429669276147047
24 6640178380127244
25 107026751932268789
26 1796103830404560857
27 31334029441145918974
28 567437704731717802783