n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 48 |
3 | 784 |
4 | 14784 |
5 | 302976 |
6 | 6555648 |
7 | 147380480 |
8 | 3408817152 |
9 | 80592320512 |
10 | 1938923790336 |
11 | 47314993324032 |
12 | 1168315059240960 |
13 | 29136848453632000 |
14 | 732857340425011200 |
15 | 18569095605771632640 |
16 | 473534596510970019840 |
17 | 12144227894941523116032 |
[1,4,48,784,14784,302976,6555648,147380480, 3408817152,80592320512,1938923790336, 47314993324032,1168315059240960,29136848453632000, 732857340425011200,18569095605771632640, 473534596510970019840,12144227894941523116032] |