# A337675 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 30
5 78
6 302
7 1038
8 4174
9 14670
10 60238
11 237902
12 955726
13 3704142
14 14935374
15 60015950
16 239994190
17 951256398