# A111533 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 78
4 876
5 10956
6 149472
7 2195208
8 34398288
9 571525200
10 10022997888
11 184897670112
12 3578224662720
13 72486450479808
14 1534267158087168
15 33877135427154048
16 779208751651730688
17 18645519786163266816