# A054459 (b-file synthesized from sequence entry)
0 1
1 6
2 23
3 76
4 233
5 682
6 1935
7 5368
8 14641
9 39406
10 104935
11 276996
12 725849
13 1890258
14 4896415
15 12624752
16 32419297
17 82951766
18 211573047
19 538086716
20 1364974409
21 3454480250
22 8724052271
23 21989264232
24 55326056977
25 138975010110