n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 27 |
4 | 297 |
5 | 47709 |
6 | 645435 |
7 | 126324495 |
8 | 1808414181 |
9 | 382438918233 |
10 | 1242372315626955 |
11 | 18595508156138529 |
12 | 63815763282950874195 |
13 | 14742997800191813247975 |
14 | 224916431556261219090813 |
15 | 52678299544059483705751857 |
16 | 191343486826902593656102628835 |
[1,3,27,297,47709,645435,126324495,1808414181, 382438918233,1242372315626955,18595508156138529, 63815763282950874195,14742997800191813247975, 224916431556261219090813, 52678299544059483705751857, 191343486826902593656102628835] |