# A148081 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 24
6 65
7 192
8 580
9 1769
10 5600
11 18261
12 60327
13 204364
14 695916
15 2390408
16 8372916
17 29567259
18 105555351
19 380076126
20 1372150571
21 4999652704
22 18372034289
23 67871175118
24 252393439474
25 941509545219
26 3525458643396
27 13285908529457
28 50291134312222
29 191155727584836
30 729023307273060
31 2786384917159514