# A216362 (b-file synthesized from sequence entry)
1 2
2 7
3 37
4 127
5 401
6 1151
7 3137
8 8191
9 51199
10 294911
11 1605631
12 3686401
13 209715199
14 10485760001
15 8131987999031297
16 155444555888459777
17 139751824747451132596033945601
18 3429749540386513119227714380314826357885676055272856607522817