# A155635 (b-file synthesized from sequence entry)
0 1
1 12
2 88
3 636
4 4720
5 35892
6 277768
7 2175276
8 17167840
9 136170852
10 1083507448
11 8638762716
12 68963617360
13 550976517012
14 4404150026728
15 35214889666956
16 281627564601280
17 2252562753138372
18 18018213206747608
19 144134261562183996