# A101600 (b-file synthesized from sequence entry)
0 1
1 6
2 45
3 378
4 3402
5 32076
6 312741
7 3127410
8 31899582
9 330595668
10 3471254514
11 36848701764
12 394807518900
13 4263921204120
14 46370143094805
15 507343918566690
16 5580783104233590
17 61682339573108100
18 684673969261499910
19 7629224228913856140
20 85308598196036755020