# A149043 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 37
5 134
6 536
7 2162
8 9124
9 38480
10 165534
11 723098
12 3193196
13 14221802
14 63772316
15 287880505
16 1309694973
17 5985175167
18 27484724851
19 126726210253
20 586613118924
21 2726313381339
22 12707197416398
23 59403354402305
24 278452680056717
25 1308485546821356
26 6164054441335823
27 29095697455150241