n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 36 |
5 | 192 |
6 | 6728 |
7 | 100352 |
8 | 12988816 |
9 | 557568000 |
10 | 258584046368 |
11 | 32565539635200 |
12 | 53060477521960000 |
13 | 19872369301840986112 |
14 | 112202208776036178000000 |
15 | 126231322912498539682594816 |
16 | 2444888770250892795802079170816 |
17 | 8326627661691818545121844900397056 |
[1,1,2,4,36,192,6728,100352,12988816,557568000, 258584046368,32565539635200,53060477521960000, 19872369301840986112,112202208776036178000000, 126231322912498539682594816, 2444888770250892795802079170816, 8326627661691818545121844900397056] |