# A185621 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 42
5 226
6 1525
7 12555
8 123098
9 1408656
10 18499835
11 274937571
12 4569703790
13 84104161618
14 1699644180677
15 37442806230267
16 893577983768401
17 22976420374082264
18 633487846228307145
19 18649221873212499505