# A102231 (b-file synthesized from sequence entry)
0 0
1 1
2 5
3 32
4 236
5 1896
6 16116
7 142544
8 1298524
9 12100952
10 114820964
11 1105574400
12 10775285836
13 106098789832
14 1053858546516
15 10546951101360
16 106249238782652
17 1076554249491640
18 10964085715303620
19 112175072002688480