# A063255 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 23
5 110
6 632
7 4241
8 32588
9 282319
10 2723367
11 28956324
12 336500792
13 4243680123
14 57726145630
15 842549831398
16 13134803320582
17 217825262451008
18 3829135527898758
19 71124557422108254
20 1391954866602464562
21 28628532870485795846
22 617344251641100690905