# A109220 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 20
4 53
5 143
6 385
7 1036
8 2789
9 7507
10 20207
11 54392
12 146409
13 394095
14 1060801
15 2855400
16 7685993
17 20688691
18 55688567
19 149899116
20 403489373
21 1086088287
22 2923466753
23 7869210964
24 21181866061
25 57016065763
26 153472396895