n | a(n) |
---|---|
0 | 2 |
1 | 18 |
2 | 162 |
3 | 1670 |
4 | 19980 |
5 | 274932 |
6 | 4296278 |
7 | 75324762 |
8 | 1466031690 |
9 | 31386435410 |
10 | 733391707752 |
11 | 18578222154648 |
12 | 507246285802802 |
13 | 14851746921266010 |
14 | 464244744007818090 |
15 | 15431886798641124662 |
16 | 543593886328031841828 |
17 | 20228083875146926867932 |
18 | 792934721766833544369830 |
[2,18,162,1670,19980,274932,4296278,75324762, 1466031690,31386435410,733391707752, 18578222154648,507246285802802,14851746921266010, 464244744007818090,15431886798641124662, 543593886328031841828,20228083875146926867932, 792934721766833544369830] |