# A027222 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 4
4 11
5 17
6 44
7 74
8 184
9 327
10 790
11 1461
12 3452
13 6584
14 15278
15 29879
16 68290
17 136391
18 318035
19 625731
20 1487661
21 2883357
22 6971222
23 13338421
24 32727472
25 61920497
26 153926409
27 288368511
28 725264305
29 1351124510
30 3423262180