n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 48 |
4 | 208 |
5 | 768 |
6 | 2752 |
7 | 9472 |
8 | 32000 |
9 | 106496 |
10 | 351232 |
11 | 1150976 |
12 | 3756032 |
13 | 12222464 |
14 | 39698432 |
15 | 128778240 |
16 | 417398784 |
17 | 1352138752 |
18 | 4378591232 |
19 | 14175698944 |
20 | 45886734336 |
21 | 148520304640 |
22 | 480679821312 |
23 | 1555633799168 |
24 | 5034389536768 |
25 | 16292153131008 |
26 | 52723609239552 |
27 | 170619454881792 |
28 | 552140862914560 |
[1,12,48,208,768,2752,9472,32000,106496,351232, 1150976,3756032,12222464,39698432,128778240, 417398784,1352138752,4378591232,14175698944, 45886734336,148520304640,480679821312, 1555633799168,5034389536768,16292153131008, 52723609239552,170619454881792,552140862914560] |