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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | -2 |
| 4 | 4 |
| 5 | -1 |
| 6 | 4 |
| 7 | 9 |
| 8 | -4 |
| 9 | 9 |
| 10 | -4 |
| 11 | 1 |
| 12 | 9 |
| 13 | -4 |
| 14 | 2 |
| 15 | 9 |
| 16 | -1 |
| 17 | 9 |
| 18 | 16 |
| 19 | -9 |
| 20 | 4 |
| 21 | -1 |
| 22 | 16 |
| 23 | -9 |
| 24 | 4 |
| 25 | 16 |
| 26 | -4 |
| 27 | 16 |
| 28 | -4 |
| 29 | 1 |
| 30 | 16 |
| 31 | -4 |
| 32 | 2 |
| 33 | 16 |
| 34 | -1 |
| 35 | 16 |
| 36 | 25 |
| 37 | -9 |
| 38 | 1 |
| 39 | 25 |
| 40 | -9 |
| 41 | 4 |
| 42 | -2 |
| 43 | 25 |
| 44 | -9 |
| 45 | 4 |
| 46 | -1 |
| 47 | 25 |
| 48 | -9 |
| 49 | 4 |
| 50 | 25 |
| 51 | -4 |
| 52 | 25 |
| 53 | -4 |
| 54 | 1 |
| 55 | 25 |
| 56 | -4 |
| 57 | 2 |
| 58 | 25 |
| 59 | -1 |
| 60 | 25 |
| 61 | 36 |
| 62 | -16 |
| 63 | 9 |
| 64 | -4 |
| 65 | 1 |
| 66 | 36 |
| 67 | -9 |
| 68 | 36 |
| 69 | -9 |
| 70 | 1 |
[0,1,4,-2,4,-1,4,9,-4,9,-4,1,9,-4,2,9,-1,9,16,-9, 4,-1,16,-9,4,16,-4,16,-4,1,16,-4,2,16,-1,16,25,-9, 1,25,-9,4,-2,25,-9,4,-1,25,-9,4,25,-4,25,-4,1,25, -4,2,25,-1,25,36,-16,9,-4,1,36,-9,36,-9,1] |