# A146686 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 7
10 15
11 31
12 63
13 167
14 435
15 1337
16 5021
17 19355
18 85901
19 388093
20 1971221
21 10932161