# A150643 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 27
4 117
5 524
6 2426
7 11426
8 54567
9 262976
10 1276549
11 6229483
12 30526069
13 150072090
14 739706710
15 3653663305
16 18077660610
17 89571457084
18 444331922248
19 2206345069415
20 10964807311084
21 54530053703043
22 271352454159710
23 1351007442499864
24 6729414090351049
25 33532553606501833
26 167149180130979290