# A104091 (b-file synthesized from sequence entry)
1 5
2 31
3 211
4 1291
5 7759
6 46649
7 279919
8 1679609
9 10077689
10 60466169
11 362796997
12 2176782317
13 13060693999
14 78364164083
15 470184984569
16 2821109907437
17 16926659444687
18 101559956668403
19 609359740010477
20 3656158440062969