# A189858 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 24
5 80
6 326
7 1566
8 9544
9 53696
10 347382
11 2566892
12 21907934
13 184868860
14 1704360992
15 17294597926
16 192725663600
17 2139133978996