n | a(n) |
---|---|
1 | 256 |
2 | 2272 |
3 | 20164 |
4 | 131208 |
5 | 853776 |
6 | 4548852 |
7 | 24235929 |
8 | 112067172 |
9 | 518199696 |
10 | 2154384960 |
11 | 8956729600 |
12 | 34271036800 |
13 | 131130894400 |
14 | 469396239400 |
15 | 1680251100025 |
16 | 5694507984600 |
17 | 19299151886400 |
18 | 62486124366960 |
[256,2272,20164,131208,853776,4548852,24235929, 112067172,518199696,2154384960,8956729600, 34271036800,131130894400,469396239400, 1680251100025,5694507984600,19299151886400, 62486124366960] |