# A335618 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 304
4 10496
5 568832
6 44486656
7 4742354944
8 660908343296
9 116642430451712
10 25425572550148096
11 6708171660023824384
12 2106760489114215120896
13 776654121137653931835392
14 332101031506139993274843136
15 163037618505293422657351450624
16 91075662529714266445615040823296