n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 20 |
3 | 40 |
4 | 100 |
5 | 172 |
6 | 248 |
7 | 336 |
8 | 568 |
9 | 820 |
10 | 1100 |
11 | 1400 |
12 | 1692 |
13 | 2012 |
14 | 2352 |
15 | 2720 |
16 | 3632 |
17 | 4580 |
18 | 5572 |
19 | 6600 |
20 | 7700 |
21 | 8844 |
22 | 10024 |
23 | 11248 |
24 | 12392 |
25 | 13588 |
26 | 14844 |
27 | 16152 |
28 | 17484 |
29 | 18876 |
30 | 20320 |
31 | 21824 |
32 | 25440 |
33 | 29124 |
34 | 32884 |
35 | 36712 |
36 | 40644 |
37 | 44652 |
38 | 48728 |
39 | 52880 |
[0,4,20,40,100,172,248,336,568,820,1100,1400,1692, 2012,2352,2720,3632,4580,5572,6600,7700,8844, 10024,11248,12392,13588,14844,16152,17484,18876, 20320,21824,25440,29124,32884,36712,40644,44652, 48728,52880] |