# A148413 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 17
5 59
6 209
7 783
8 2969
9 11818
10 48041
11 197875
12 829325
13 3504606
14 15030624
15 65140862
16 284465160
17 1252897588
18 5548473208
19 24743623447
20 110991861676
21 500241513919
22 2265903803712
23 10302193469158
24 47033998962322
25 215522897042267
26 990747858248266
27 4569280467583454
28 21129681319052978