# A085631 (b-file synthesized from sequence entry)
1 1
2 4
3 8
4 252
5 2112
6 4224
7 8448
8 29592
9 6547456
10 27011072
11 291080192
12 276444444672
13 2789387839872
14 6399369639936
15 631367020763136
16 2306938998396032