# A083063 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 3
4 21
5 185
6 2101
7 29127
8 478297
9 9090909
10 196495641
11 4762874171
12 128011456717
13 3779594158353
14 121637191772461
15 4238682002231055
16 159023502861656433
17 6391554268241802725
18 274019342889240109297