# A241785 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 9
4 49
5 322
6 2411
7 19868
8 178832
9 1724689
10 17728545
11 192634930
12 2201760840
13 26341552085
14 328644606302
15 4261866683006
16 57288746422850
17 796337785825197
18 11422744246417607
19 168765251734898485
20 2564015637845130072
21 39998356172536082076
22 639840751503820832346