# A012539 (b-file synthesized from sequence entry)
0 2
1 8
2 200
3 9088
4 573088
5 54743680
6 7549206912
7 1418652930048
8 349780182483456
9 109789748881688576
10 42770510180602898432
11 20248998750034801098752
12 11448712479091073092919296