# A012237 (b-file synthesized from sequence entry)
0 1
1 2
2 32
3 1168
4 80768
5 8855296
6 1420471296
7 312821661696
8 90619729117184
9 33397289918332928
10 15260151754256547840
11 8466388564521610903552
12 5606464118961336397856768
13 4368144479139164180218642432