n | a(n) |
---|---|
4 | 4 |
5 | 106 |
6 | 2382 |
7 | 46680 |
8 | 830848 |
9 | 13804864 |
10 | 218353000 |
11 | 3328822880 |
12 | 49325772812 |
13 | 714586880940 |
14 | 10164338225482 |
15 | 142403410942816 |
16 | 1969831979334086 |
17 | 26954132420126920 |
18 | 365393525753591368 |
19 | 4913176199287631232 |
[4,106,2382,46680,830848,13804864,218353000, 3328822880,49325772812,714586880940, 10164338225482,142403410942816,1969831979334086, 26954132420126920,365393525753591368, 4913176199287631232] |