# A066411 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 23
5 61
6 143
7 215
8 995
9 2481
10 5785
11 12907
12 29279
13 64963
14 144289
15 158049
16 683311
17 1471123
18 3166531
19 6759177
20 14404547
21 30548713