# A152802 (b-file synthesized from sequence entry)
0 1
1 3
2 10
3 41
4 172
5 749
6 3332
7 15041
8 68640
9 315840
10 1462798
11 6810588
12 31846811
13 149459541
14 703592472
15 3321019270
16 15711717162
17 74482623635
18 353723268817
19 1682536854931
20 8014676326925
21 38226681972410
22 182538225520073