n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 4 |
3 | 28 |
4 | 80 |
5 | 180 |
6 | 332 |
7 | 560 |
8 | 864 |
9 | 1272 |
10 | 1780 |
11 | 2420 |
12 | 3184 |
13 | 4108 |
14 | 5180 |
15 | 6440 |
16 | 7872 |
17 | 9520 |
18 | 11364 |
19 | 13452 |
20 | 15760 |
21 | 18340 |
22 | 21164 |
23 | 24288 |
24 | 27680 |
25 | 31400 |
26 | 35412 |
27 | 39780 |
28 | 44464 |
29 | 49532 |
30 | 54940 |
31 | 60760 |
32 | 66944 |
33 | 73568 |
34 | 80580 |
35 | 88060 |
36 | 95952 |
37 | 104340 |
38 | 113164 |
[0,0,4,28,80,180,332,560,864,1272,1780,2420,3184, 4108,5180,6440,7872,9520,11364,13452,15760,18340, 21164,24288,27680,31400,35412,39780,44464,49532, 54940,60760,66944,73568,80580,88060,95952,104340, 113164] |