n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 12 |
3 | -28 |
4 | 60 |
5 | -120 |
6 | 228 |
7 | -416 |
8 | 732 |
9 | -1252 |
10 | 2088 |
11 | -3408 |
12 | 5460 |
13 | -8600 |
14 | 13344 |
15 | -20424 |
16 | 30876 |
17 | -46152 |
18 | 68268 |
19 | -100016 |
20 | 145224 |
21 | -209120 |
22 | 298800 |
23 | -423840 |
24 | 597108 |
25 | -835804 |
26 | 1162824 |
27 | -1608508 |
28 | 2212896 |
29 | -3028632 |
30 | 4124664 |
31 | -5590976 |
32 | 7544604 |
33 | -10137264 |
34 | 13565016 |
[1,-4,12,-28,60,-120,228,-416,732,-1252,2088, -3408,5460,-8600,13344,-20424,30876,-46152,68268, -100016,145224,-209120,298800,-423840,597108, -835804,1162824,-1608508,2212896,-3028632,4124664, -5590976,7544604,-10137264,13565016] |