# A155380 (b-file synthesized from sequence entry)
5 1
6 4
7 10
8 19
9 40
10 120
11 445
12 2107
13 10099
14 50833
15 296830
16 2080084
17 17252149
18 164656985
19 1767665953
20 21481633518
21 300312864497