# A334155 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 57
5 273
6 1593
7 10953
8 86553
9 771993
10 7666713
11 83871513
12 1001957913
13 12976997913
14 181106559513
15 2709277004313
16 43247182412313
17 733699248716313
18 13182759232076313
19 250070586344012313
20 4994229502288460313
21 104743211837530700313
22 2301653725221036620313