# A149883 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 14
4 44
5 147
6 508
7 1806
8 6593
9 24580
10 93111
11 357499
12 1389352
13 5456743
14 21626045
15 86391867
16 347600899
17 1407638294
18 5733467909
19 23475925302
20 96585554635
21 399129402469
22 1656045861075
23 6896872486071
24 28822701485613
25 120840949544465
26 508153828762386
27 2142852405007664
28 9060003986577369