# A215399 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 3
5 6
6 27
7 99
8 462
9 2205
10 11414
11 61028
12 337089
13 1894854
14 10794718
15 61989059
16 357903580
17 2073376576
18 12037807836