n | a(n) |
---|---|
2 | 1 |
3 | 9 |
4 | 63 |
5 | 447 |
6 | 3447 |
7 | 29367 |
8 | 276327 |
9 | 2856807 |
10 | 32250087 |
11 | 395130087 |
12 | 5225062887 |
13 | 74201293287 |
14 | 1126567808487 |
15 | 18213512883687 |
16 | 312440245683687 |
17 | 5668674457011687 |
18 | 108462341176755687 |
19 | 2182831421832627687 |
20 | 46096712669420979687 |
[1,9,63,447,3447,29367,276327,2856807,32250087, 395130087,5225062887,74201293287,1126567808487, 18213512883687,312440245683687,5668674457011687, 108462341176755687,2182831421832627687, 46096712669420979687] |