n | a(n) |
---|---|
1 | 4 |
2 | 384 |
3 | 23610 |
4 | 1280440 |
5 | 66239560 |
6 | 3300066400 |
7 | 160408991208 |
8 | 7651924962192 |
9 | 359787825135858 |
10 | 16723319831529660 |
11 | 770060247050797618 |
12 | 35183712290420295428 |
13 | 1596986555678135067900 |
14 | 72080322350712846684652 |
[4,384,23610,1280440,66239560,3300066400, 160408991208,7651924962192,359787825135858, 16723319831529660,770060247050797618, 35183712290420295428,1596986555678135067900, 72080322350712846684652] |