# A290248 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 6
5 13
6 39
7 147
8 755
9 5230
10 50282
11 677730
12 13010007
13 359551127
14 14457741910
15 853120090801
16 74437567936635
17 9666377127590346
18 1878877762201043122
19 549363336929733878734
20 242695457366120511255070
21 16263199149257162654631846