# A150824 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 31
4 144
5 622
6 2984
7 13581
8 66213
9 309961
10 1523457
11 7253830
12 35825582
13 172518663
14 854740918
15 4148487947
16 20597418044
17 100542766091
18 499957164997
19 2450950627330
20 12201083850561
21 60011396709842
22 298992046280222
23 1474420053255884
24 7350641879782287
25 36323403019509610
26 181178966485329662