# A028033 (b-file synthesized from sequence entry)
0 1
1 21
2 283
3 3129
4 31003
5 287217
6 2547091
7 21931833
8 185027755
9 1538650113
10 12663786499
11 103454051337
12 840560481307
13 6802315926609
14 54886579262707
15 441905197121241
16 3552134005816459
17 28518494951667105