n | a(n) |
---|---|
3 | 1 |
4 | 15 |
5 | 225 |
6 | 3781 |
7 | 72078 |
8 | 1550016 |
9 | 37259191 |
10 | 991980099 |
11 | 29008029501 |
12 | 924873082849 |
13 | 31944725060988 |
14 | 1188568865803032 |
15 | 47403638535874501 |
16 | 2017753008682107135 |
17 | 91309129890388047873 |
18 | 4377769140759352823773 |
19 | 221687675024545322612226 |
[1,15,225,3781,72078,1550016,37259191,991980099, 29008029501,924873082849,31944725060988, 1188568865803032,47403638535874501, 2017753008682107135,91309129890388047873, 4377769140759352823773,221687675024545322612226] |