# A148567 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 19
5 48
6 163
7 458
8 1605
9 4837
10 17348
11 54662
12 199115
13 648801
14 2391554
15 7986126
16 29705879
17 101170951
18 379067774
19 1311200087
20 4941974339
21 17317592643
22 65592787213
23 232321727590
24 883623114005
25 3158597045417
26 12056381659368
27 43435180563827
28 166305377501064
29 603267534346636
30 2316036020003194