# A148168 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 31
6 102
7 340
8 1203
9 4344
10 16173
11 61520
12 238575
13 940236
14 3756059
15 15180801
16 62001672
17 255519383
18 1061764788
19 4443897040
20 18722145717
21 79344717504
22 338078438238
23 1447629138256
24 6226612449561
25 26893592839179
26 116602739854967
27 507350856424816
28 2214826529968892
29 9698461780045479