n | a(n) |
---|---|
2 | 6 |
3 | 102 |
4 | 1212 |
5 | 12330 |
6 | 114888 |
7 | 1011486 |
8 | 8558712 |
9 | 70324884 |
10 | 564931230 |
11 | 4457508264 |
12 | 34662068784 |
13 | 266296074408 |
14 | 2025114297696 |
15 | 15267023594670 |
16 | 114233412701424 |
17 | 849144504823848 |
18 | 6275680692866946 |
19 | 46143888578211414 |
20 | 337737723001251660 |
21 | 2461833584990710434 |
[6,102,1212,12330,114888,1011486,8558712,70324884, 564931230,4457508264,34662068784,266296074408, 2025114297696,15267023594670,114233412701424, 849144504823848,6275680692866946, 46143888578211414,337737723001251660, 2461833584990710434] |