n | a(n) |
---|---|
0 | 1 |
1 | 16 |
2 | 108 |
3 | 480 |
4 | 1650 |
5 | 4752 |
6 | 12012 |
7 | 27456 |
8 | 57915 |
9 | 114400 |
10 | 213928 |
11 | 381888 |
12 | 655044 |
13 | 1085280 |
14 | 1744200 |
15 | 2728704 |
16 | 4167669 |
17 | 6229872 |
18 | 9133300 |
19 | 13156000 |
20 | 18648630 |
21 | 26048880 |
22 | 35897940 |
23 | 48859200 |
24 | 65739375 |
25 | 87512256 |
26 | 115345296 |
27 | 150629248 |
28 | 195011080 |
29 | 250430400 |
30 | 319159632 |
[1,16,108,480,1650,4752,12012,27456,57915,114400, 213928,381888,655044,1085280,1744200,2728704, 4167669,6229872,9133300,13156000,18648630, 26048880,35897940,48859200,65739375,87512256, 115345296,150629248,195011080,250430400,319159632] |