# A177172 (b-file synthesized from sequence entry)
0 1
1 10
2 18
3 134
4 626
5 4254
6 25850
7 177270
8 1192450
9 8392846
10 59270218
11 427294630
12 3103586514
13 22805459262
14 168767740698
15 1258575706582
16 9441189199010
17 71224314198510
18 539889535264490
19 4110514381564422
20 31418080601125746