# A083862 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 10
4 39
5 171
6 819
7 4229
8 23247
9 135088
10 824163
11 5255361
12 34876647
13 240130801
14 1710323667
15 12572548582
16 95183606559
17 740843916471
18 5918533467075
19 48463830575837
20 406239439253175
21 3481899731310196