# A149852 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 14
4 46
5 154
6 578
7 2168
8 8182
9 31532
10 125070
11 493576
12 1967344
13 7989243
14 32449575
15 132284139
16 544422926
17 2252015827
18 9319866551
19 38789146879
20 162226732758
21 679162610573
22 2851506701472
23 12018168463717
24 50743114587121
25 214563325115979
26 909819286375420
27 3865266727785403