# A026128 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 35
4 188
5 1029
6 5730
7 32292
8 183660
9 1052062
10 6061247
11 35085362
12 203888951
13 1188784325
14 6951007260
15 40743883935
16 239338600713
17 1408601096922
18 8304165939530
19 49029683529190
20 289875333579403
21 1715915953729017
22 10168679421464922
23 60321828267447075
24 358169629787960445