# A185619 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 12
4 41
5 134
6 535
7 2100
8 8008
9 31483
10 125405
11 498762
12 1995254
13 8032580
14 32433136
15 131333532
16 533489683
17 2172483451
18 8865550544
19 36251329866
20 148498309280
21 609271648415
22 2503419660325
23 10299986121600
24 42429641658643