# A146851 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 5
10 13
11 25
12 45
13 129
14 391
15 1245
16 4737
17 21985
18 95961
19 496289
20 2673135
21 16997063
22 114065803