# A150731 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 28
4 130
5 532
6 2528
7 11232
8 54018
9 248164
10 1212082
11 5682304
12 27893742
13 133023140
14 655148986
15 3154342858
16 15603065572
17 75639961162
18 374862248858
19 1828672158604
20 9074950870092
21 44449162462130
22 220966384291864
23 1085680487597732
24 5401935260776376
25 26619308952466454
26 132536670446683276