# A123282 (b-file synthesized from sequence entry)
0 0
1 16
2 2744
3 527280
4 102219376
5 19829053904
6 3846720619560
7 746243781460336
8 144767444240778464
9 28084137902132541840
10 5448177985056955967896
11 1056918444956008893061424
12 205036730143381242763959120