# A127069 (b-file synthesized from sequence entry)
2 15
3 45
4 153
5 561
6 2145
7 8385
8 33153
9 131841
10 525825
11 2100225
12 8394753
13 33566721
14 134242305
15 536920065
16 2147581953
17 8590131201
18 34360131585
19 137439739905
20 549757386753
21 2199026401281
22 8796099313665
23 35184384671745