# A056304 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 2
5 5
6 17
7 43
8 124
9 338
10 941
11 2591
12 7234
13 20125
14 56407
15 158349
16 446492
17 1262225
18 3580330
19 10181479
20 29031306
21 82968799
22 237642659
23 682014587
24 1960974220
25 5647919640
26 16292741605
27 47069104274