# A151317 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 51
4 227
5 1029
6 4758
7 22208
8 104646
9 496191
10 2365664
11 11326328
12 54426543
13 262319780
14 1267609850
15 6139159720
16 29791023708
17 144814066045
18 705022920195
19 3437094377348
20 16777086405024
21 81983625331303
22 401032416607965
23 1963520081032578
24 9621913352806611
25 47187655704890669
26 231584946627594022