n | a(n) |
---|---|
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 |
20 | 1297036692682702848 |
[1,9,72,576,4608,36864,294912,2359296,18874368, 150994944,1207959552,9663676416,77309411328, 618475290624,4947802324992,39582418599936, 316659348799488,2533274790395904, 20266198323167232,162129586585337856, 1297036692682702848] |