n | a(n) |
---|---|
1 | 1 |
2 | 24 |
3 | 300 |
4 | 2624 |
5 | 18126 |
6 | 105504 |
7 | 538296 |
8 | 2471424 |
9 | 10400997 |
10 | 40674128 |
11 | 149343012 |
12 | 519045888 |
13 | 1718732998 |
14 | 5451292992 |
15 | 16633756008 |
16 | 49010118656 |
17 | 139877936370 |
18 | 387749049720 |
19 | 1046413709980 |
20 | 2754808758144 |
21 | 7087483527072 |
22 | 17848133716832 |
23 | 44056043512488 |
24 | 106727749011456 |
[1,24,300,2624,18126,105504,538296,2471424, 10400997,40674128,149343012,519045888,1718732998, 5451292992,16633756008,49010118656,139877936370, 387749049720,1046413709980,2754808758144, 7087483527072,17848133716832,44056043512488, 106727749011456] |