# A150649 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 28
4 117
5 511
6 2291
7 10463
8 48435
9 226586
10 1068587
11 5072224
12 24203714
13 115998071
14 557962305
15 2692152543
16 13023978409
17 63151137877
18 306820781473
19 1493308343577
20 7279262948313
21 35532416043118
22 173659581034563
23 849680918961093
24 4161500769723001
25 20400516021424974
26 100090905058019708