# A030827 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 26
5 130
6 785
7 5497
8 43983
9 395847
10 3958473
11 43543211
12 522518536
13 6792740972
14 95098373611
15 1426475604177
16 22823609666834
17 388001364336187
18 6984024558051373
19 132696466602976097
20 2653929332059521943