# A155287 (b-file synthesized from sequence entry)
3 1
4 4
5 10
6 22
7 40
8 147
9 972
10 6099
11 33889
12 206340
13 1814635
14 22696011
15 314005946
16 4605664055
17 78764798797
18 1720340418305
19 47411742873448