# A147256 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 21
9 549
10 1079
11 10673
12 26871
13 476485
14 1364599
15 88490477
16 316329117
17 38154154091
18 169142706059
19 28100677201207
20 150981261883543
21 38976852011544623