# A193353 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 7
5 30
6 197
7 1770
8 22536
9 409456
10 10541949
11 387914810
12 20362048664
13 1525681168956
14 163330533908217
15 24973901010606886
16 5456672750531017964
17 1704092792275195175172
18 760753610853139920737328
19 485646261179496433286709024