n | a(n) |
---|---|
1 | 3 |
2 | 12 |
3 | 84 |
4 | 234 |
5 | 270 |
6 | 1080 |
7 | 1488 |
8 | 1638 |
9 | 6048 |
10 | 6552 |
11 | 24384 |
12 | 35640 |
13 | 199584 |
14 | 435708 |
15 | 2142720 |
16 | 4713984 |
17 | 12999168 |
18 | 18506880 |
19 | 36197280 |
20 | 100651008 |
21 | 208565280 |
22 | 240589440 |
23 | 275890944 |
24 | 299980800 |
25 | 470564640 |
26 | 3899750400 |
27 | 4138364160 |
28 | 6039429120 |
29 | 13286744064 |
30 | 17827568640 |
[3,12,84,234,270,1080,1488,1638,6048,6552,24384, 35640,199584,435708,2142720,4713984,12999168, 18506880,36197280,100651008,208565280,240589440, 275890944,299980800,470564640,3899750400, 4138364160,6039429120,13286744064,17827568640] |