# A225920 (b-file synthesized from sequence entry)
1 1
2 13
3 48
4 150
5 447
6 1312
7 3831
8 11167
9 32531
10 94748
11 275938
12 803605
13 2340292
14 6815476
15 19848236
16 57802615
17 168334451
18 490228448
19 1427657419
20 4157665074
21 12108072013
22 35261476137
23 102689486632
24 299055281267
25 870917405325
26 2536310757258
27 7386317253546
28 21510645891422