# A171753 (b-file synthesized from sequence entry)
0 1
1 3
2 10
3 36
4 137
5 543
6 2218
7 9264
8 39329
9 168939
10 731770
11 3188364
12 13948745
13 61196775
14 269007994
15 1184076216
16 5216618369
17 22996827795
18 101421591466
19 447422614068
20 1974197123657
21 8712062181999
22 38449506441994