n | a(n) |
---|---|
4 | 1 |
5 | 11 |
6 | 82 |
7 | 614 |
8 | 5008 |
9 | 45296 |
10 | 453472 |
11 | 4989344 |
12 | 59874688 |
13 | 778376576 |
14 | 10897284352 |
15 | 163459291904 |
16 | 2615348727808 |
17 | 44460928495616 |
18 | 800296713183232 |
19 | 15205637551038464 |
20 | 304112751021948928 |
21 | 6386367771463417856 |
22 | 140500090972200435712 |
23 | 3231502092360621031424 |
[1,11,82,614,5008,45296,453472,4989344,59874688, 778376576,10897284352,163459291904,2615348727808, 44460928495616,800296713183232,15205637551038464, 304112751021948928,6386367771463417856, 140500090972200435712,3231502092360621031424] |