# A179176 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 24
5 66
6 187
7 529
8 1506
9 4312
10 12394
11 35742
12 103377
13 299745
14 871011
15 2535873
16 7395522
17 21600720
18 63176964
19 185004852
20 542365407
21 1591631595
22 4675170690
23 13744341390
24 40438307599
25 119063564395
26 350799321531