n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 18 |
4 | 80 |
5 | 200 |
6 | 468 |
7 | 882 |
8 | 1600 |
9 | 2592 |
10 | 4100 |
11 | 6050 |
12 | 8784 |
13 | 12168 |
14 | 16660 |
15 | 22050 |
16 | 28928 |
17 | 36992 |
18 | 46980 |
19 | 58482 |
20 | 72400 |
21 | 88200 |
22 | 106964 |
23 | 128018 |
24 | 152640 |
25 | 180000 |
[0,4,18,80,200,468,882,1600,2592,4100,6050,8784, 12168,16660,22050,28928,36992,46980,58482,72400, 88200,106964,128018,152640,180000] |