# A189568 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 24
5 80
6 326
7 1566
8 9544
9 65036
10 518498
11 4750006
12 48830634
13 554929274
14 6926227324
15 93970452970
16 1377573324202