# A090401 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 27
4 78
5 225
6 648
7 1863
8 5355
9 15390
10 44226
11 127089
12 365202
13 1049436
14 3015630
15 8665623
16 24901263
17 71555481
18 205619553
19 590861790
20 1697881581
21 4878978300
22 14020076241
23 40287643353
24 115769285316
25 332670921048