# A061969 (b-file synthesized from sequence entry)
1 1
2 3
3 5
4 9
5 15
6 25
7 41
8 1149
9 1755
10 2009
11 2815
12 6981
13 19117
14 65515
15 218715
16 315735
17 405845
18 1511139
19 2165055
20 7076685