# A366273 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 81
4 849
5 9681
6 116601
7 1459809
8 18809121
9 247782369
10 3322209001
11 45187029809
12 621970864241
13 8647376531249
14 121261376439641
15 1713085987837889
16 24358211622230081
17 348325689458584769
18 5006342381846708681
19 72279683684984063249
20 1047789195353379807121