# A336947 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 98
4 920
5 10792
6 151888
7 2494032
8 46803072
9 988095104
10 23178247424
11 598074306304
12 16835199087616
13 513385352524800
14 16859837094942720
15 593234633904293888
16 22265289445252628480
17 887889931920920313856
18 37489832605652634763264
19 1670894259596134872711168