# A189358 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 8
5 24
6 126
7 524
8 3072
9 22854
10 189646
11 1827114
12 19889946
13 238648524
14 3131979014
15 44540692612
16 681114241416
17 11136984461270