# A055550 (b-file synthesized from sequence entry)
1 0
2 0
3 3
4 22
5 78
6 245
7 750
8 2057
9 5597
10 14884
11 38975
12 101629
13 264239
14 687007
15 1801533
16 4744920
17 12604009
18 33763684
19 91210364