n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 4 |
5 | 50 |
6 | 6 |
7 | 1764 |
8 | 176 |
9 | 4968 |
10 | 300 |
11 | 10628640 |
12 | 552 |
13 | 1486442880 |
14 | 34986 |
15 | 2024400 |
16 | 4098240 |
17 | 70734282393600 |
18 | 133542 |
19 | 22376988058521600 |
20 | 16294800 |
21 | 121402713600 |
22 | 2612325870 |
23 | 4148476779335454720000 |
24 | 61931424 |
25 | 138951136600657920000 |
26 | 1330269185700 |
[1,1,3,4,50,6,1764,176,4968,300,10628640,552, 1486442880,34986,2024400,4098240,70734282393600, 133542,22376988058521600,16294800,121402713600, 2612325870,4148476779335454720000,61931424, 138951136600657920000,1330269185700] |