# A244278 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 25
5 87
6 323
7 1213
8 4616
9 18122
10 73034
11 296118
12 1201985
13 4944712
14 20699593
15 87039567
16 364582540
17 1536503788
18 6577636822
19 28301509234
20 120717294622
21 515067346615
22 2238588931727
23 9820016463003
24 42372035446400
25 181068476007679
26 795531553724263
27 3577424216585403