# A148305 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 39
6 127
7 425
8 1508
9 5564
10 20962
11 81250
12 322242
13 1298027
14 5313358
15 22075715
16 92778080
17 394026108
18 1690459141
19 7315000807
20 31892994079
21 140059021519
22 619096017277
23 2752326799850
24 12302159156136
25 55264374463007
26 249388391938448
27 1130125080446317
28 5141521020955342