# A073193 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 30
6 93
7 292
8 965
9 3238
10 11126
11 38708
12 136486
13 485820
14 1744677
15 6310584
16 22973793
17 84103302
18 309429066
19 1143487428
20 4242631626
21 15798011604
22 59018856522
23 221143860936
24 830895360978
25 3129747395548
26 11816242209260