n | a(n) |
---|---|
4 | 1 |
5 | 5 |
6 | 35 |
7 | 140 |
8 | 720 |
9 | 2700 |
10 | 12375 |
11 | 45375 |
12 | 196625 |
13 | 715715 |
14 | 3006003 |
15 | 10930920 |
16 | 45048640 |
17 | 164105760 |
18 | 668144880 |
19 | 2441298600 |
20 | 9859090500 |
21 | 36149998500 |
22 | 145173803500 |
23 | 534239596880 |
24 | 2136958387520 |
25 | 7892175863000 |
26 | 31479019635375 |
27 | 116657543354625 |
28 | 464342770607625 |
29 | 1726402608669375 |
[1,5,35,140,720,2700,12375,45375,196625,715715, 3006003,10930920,45048640,164105760,668144880, 2441298600,9859090500,36149998500,145173803500, 534239596880,2136958387520,7892175863000, 31479019635375,116657543354625,464342770607625, 1726402608669375] |