# A046690 (b-file synthesized from sequence entry)
1 1
2 2
3 2
4 8
5 12
6 5
7 42
8 84
9 56
10 14
11 262
12 640
13 580
14 240
15 42
16 1828
17 5236
18 5894
19 3344
20 990