# A120595 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 36
4 249
5 1932
6 16044
7 139500
8 1253934
9 11558316
10 108658902
11 1037800920
12 10041891132
13 98230257636
14 969814634424
15 9651213968784
16 96710160474513
17 974967422602428
18 9881687141571732
19 100632995795535588