n | a(n) |
---|---|
3 | 18 |
4 | 208 |
5 | 1372 |
6 | 7632 |
7 | 39050 |
8 | 190112 |
9 | 895524 |
10 | 4120528 |
11 | 18629652 |
12 | 83088096 |
13 | 366560568 |
14 | 1602837280 |
15 | 6956911962 |
16 | 30007067456 |
17 | 128736063316 |
18 | 549740689872 |
19 | 2338025684540 |
20 | 9907917740128 |
21 | 41853370268424 |
22 | 176294674155104 |
23 | 740683257681988 |
24 | 3104678088923328 |
25 | 12986226585328232 |
[18,208,1372,7632,39050,190112,895524,4120528, 18629652,83088096,366560568,1602837280,6956911962, 30007067456,128736063316,549740689872, 2338025684540,9907917740128,41853370268424, 176294674155104,740683257681988,3104678088923328, 12986226585328232] |