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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -1 |
| 3 | 4 |
| 4 | -1 |
| 5 | -4 |
| 6 | 9 |
| 7 | 1 |
| 8 | -5 |
| 9 | -9 |
| 10 | 16 |
| 11 | 5 |
| 12 | -4 |
| 13 | -11 |
| 14 | -16 |
| 15 | 25 |
| 16 | 11 |
| 17 | -1 |
| 18 | -11 |
| 19 | -19 |
| 20 | -25 |
| 21 | 36 |
| 22 | 19 |
| 23 | 4 |
| 24 | -9 |
| 25 | -20 |
| 26 | -29 |
| 27 | -36 |
| 28 | 49 |
| 29 | 29 |
| 30 | 11 |
| 31 | -5 |
| 32 | -19 |
| 33 | -31 |
| 34 | -41 |
| 35 | -49 |
| 36 | 64 |
| 37 | 41 |
| 38 | 20 |
| 39 | 1 |
| 40 | -16 |
| 41 | -31 |
| 42 | -44 |
| 43 | -55 |
| 44 | -64 |
| 45 | 81 |
| 46 | 55 |
| 47 | 31 |
| 48 | 9 |
| 49 | -11 |
| 50 | -29 |
| 51 | -45 |
| 52 | -59 |
| 53 | -71 |
| 54 | -81 |
| 55 | 100 |
| 56 | 71 |
| 57 | 44 |
| 58 | 19 |
| 59 | -4 |
| 60 | -25 |
| 61 | -44 |
| 62 | -61 |
| 63 | -76 |
| 64 | -89 |
| 65 | -100 |
[0,1,-1,4,-1,-4,9,1,-5,-9,16,5,-4,-11,-16,25,11, -1,-11,-19,-25,36,19,4,-9,-20,-29,-36,49,29,11,-5, -19,-31,-41,-49,64,41,20,1,-16,-31,-44,-55,-64,81, 55,31,9,-11,-29,-45,-59,-71,-81,100,71,44,19,-4, -25,-44,-61,-76,-89,-100] |