n | a(n) |
---|---|
1 | 1 |
2 | 28 |
3 | 980 |
4 | 37730 |
5 | 1531838 |
6 | 64337196 |
7 | 2766499428 |
8 | 121034349975 |
9 | 5365856182225 |
10 | 240390356963680 |
11 | 10861273400995360 |
12 | 494187939745288880 |
13 | 22618601857572837200 |
14 | 1040455685448350511200 |
15 | 48069052667713793617440 |
[1,28,980,37730,1531838,64337196,2766499428, 121034349975,5365856182225,240390356963680, 10861273400995360,494187939745288880, 22618601857572837200,1040455685448350511200, 48069052667713793617440] |