# A006785 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 7
5 14
6 38
7 107
8 410
9 1897
10 12172
11 105071
12 1262180
13 20797002
14 467871369
15 14232552452
16 581460254001
17 31720840164950