n | a(n) |
---|---|
1 | 4 |
2 | 24 |
3 | 104 |
4 | 432 |
5 | 1536 |
6 | 8736 |
7 | 22528 |
8 | 111456 |
9 | 473600 |
10 | 1999872 |
11 | 5909760 |
12 | 38054016 |
13 | 89522176 |
14 | 462274560 |
15 | 2015330304 |
16 | 7304603328 |
17 | 22907191296 |
18 | 166290432000 |
19 | 366506672128 |
20 | 2220409884672 |
21 | 7645340651520 |
22 | 29833839544320 |
23 | 95821839806976 |
24 | 648494317126656 |
[4,24,104,432,1536,8736,22528,111456,473600, 1999872,5909760,38054016,89522176,462274560, 2015330304,7304603328,22907191296,166290432000, 366506672128,2220409884672,7645340651520, 29833839544320,95821839806976,648494317126656] |