# A141716 (b-file synthesized from sequence entry)
0 1
1 4
2 20
3 136
4 1292
5 17400
6 335404
7 9317288
8 374916236
9 21939338488
10 1872964421084
11 233869019978312
12 42804259804575932
13 11504430006153224600
14 4547687849230636111212
15 2647655599871715881311656