# A217042 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 216
4 9685
5 690129
6 71218224
7 10016312400
8 1839013713405
9 426795483514725
10 122096137679279577
11 42196285096882327872
12 17327812666870134181584
13 8338575020551966129589776
14 4647348123388957546230426120
15 2969504710005383652330487580832