# A134093 (b-file synthesized from sequence entry)
0 1
1 4
2 30
3 215
4 1729
5 15176
6 143814
7 1462995
8 15876410
9 182811992
10 2223580281
11 28458251185
12 381943459065
13 5359649816728
14 78430018675440
15 1194057733357517
16 18873870914263424
17 309154787519651284
18 5238840625331179517