# A214694 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 69
4 929
5 13692
6 213402
7 3456450
8 57585400
9 980408857
10 16982002433
11 298322996205
12 5302587890821
13 95196447689434
14 1723782813066284
15 31447947375375315
16 577509675356805547
17 10667460556561578780
18 198074286156460874227
19 3695152948440645726312