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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -4 |
| 3 | 0 |
| 4 | 16 |
| 5 | 14 |
| 6 | 0 |
| 7 | 36 |
| 8 | -64 |
| 9 | 0 |
| 10 | -56 |
| 11 | 104 |
| 12 | 0 |
| 13 | 150 |
| 14 | -144 |
| 15 | 0 |
| 16 | 256 |
| 17 | 266 |
| 18 | 0 |
| 19 | 336 |
| 20 | 224 |
| 21 | 0 |
| 22 | -416 |
| 23 | 500 |
| 24 | 0 |
| 25 | 196 |
| 26 | -600 |
| 27 | 0 |
| 28 | 576 |
| 29 | 806 |
| 30 | 0 |
| 31 | 924 |
| 32 | -1024 |
| 33 | 0 |
| 34 | -1064 |
| 35 | 504 |
| 36 | 0 |
| 37 | 1326 |
| 38 | -1344 |
| 39 | 0 |
| 40 | -896 |
| 41 | 1634 |
| 42 | 0 |
| 43 | 1800 |
| 44 | 1664 |
| 45 | 0 |
| 46 | -2000 |
| 47 | 2156 |
| 48 | 0 |
| 49 | 1296 |
| 50 | -784 |
| 51 | 0 |
| 52 | 2400 |
| 53 | 2750 |
| 54 | 0 |
| 55 | 1456 |
[1,-4,0,16,14,0,36,-64,0,-56,104,0,150,-144,0,256, 266,0,336,224,0,-416,500,0,196,-600,0,576,806,0, 924,-1024,0,-1064,504,0,1326,-1344,0,-896,1634,0, 1800,1664,0,-2000,2156,0,1296,-784,0,2400,2750,0, 1456] |