# A149065 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 11
4 40
5 163
6 675
7 2886
8 12689
9 56478
10 255603
11 1168905
12 5394434
13 25095146
14 117492138
15 553152779
16 2616933716
17 12431990751
18 59275716489
19 283546088317
20 1360204934717
21 6541812163277
22 31534431432856
23 152322880776339
24 737149995058359
25 3573391008758199
26 17349000852646641
27 84349149920751191