# A169310 (b-file synthesized from sequence entry)
0 1
1 9
2 72
3 576
4 4608
5 36864
6 294912
7 2359296
8 18874368
9 150994944
10 1207959552
11 9663676416
12 77309411328
13 618475290624
14 4947802324992
15 39582418599936
16 316659348799488
17 2533274790395904
18 20266198323167232
19 162129586585337856