n | a(n) |
---|---|
2 | 3 |
3 | 39 |
4 | 390 |
5 | 3630 |
6 | 33033 |
7 | 298389 |
8 | 2688780 |
9 | 24208860 |
10 | 217909263 |
11 | 1961271939 |
12 | 17651713170 |
13 | 158866215690 |
14 | 1429798332693 |
15 | 12868192168689 |
16 | 115813751041560 |
17 | 1042323823944120 |
18 | 9380914609207323 |
19 | 84428232063996639 |
20 | 759854090319361950 |
[3,39,390,3630,33033,298389,2688780,24208860, 217909263,1961271939,17651713170,158866215690, 1429798332693,12868192168689,115813751041560, 1042323823944120,9380914609207323, 84428232063996639,759854090319361950] |