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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 4 |
| 3 | -8 |
| 4 | 7 |
| 5 | -10 |
| 6 | 12 |
| 7 | -8 |
| 8 | 18 |
| 9 | -18 |
| 10 | 16 |
| 11 | -24 |
| 12 | 21 |
| 13 | -20 |
| 14 | 28 |
| 15 | -32 |
| 16 | 20 |
| 17 | -32 |
| 18 | 36 |
| 19 | -24 |
| 20 | 42 |
| 21 | -42 |
| 22 | 28 |
| 23 | -48 |
| 24 | 57 |
| 25 | -36 |
| 26 | 52 |
| 27 | -40 |
| 28 | 36 |
| 29 | -58 |
| 30 | 60 |
| 31 | -56 |
| 32 | 48 |
| 33 | -66 |
| 34 | 48 |
| 35 | -72 |
| 36 | 74 |
| 37 | -42 |
| 38 | 80 |
| 39 | -80 |
| 40 | 61 |
| 41 | -82 |
| 42 | 72 |
| 43 | -56 |
| 44 | 90 |
| 45 | -96 |
| 46 | 64 |
| 47 | -72 |
| 48 | 98 |
| 49 | -70 |
| 50 | 100 |
| 51 | -104 |
| 52 | 64 |
| 53 | -106 |
| 54 | 108 |
| 55 | -72 |
| 56 | 114 |
| 57 | -96 |
[1,-2,4,-8,7,-10,12,-8,18,-18,16,-24,21,-20,28, -32,20,-32,36,-24,42,-42,28,-48,57,-36,52,-40,36, -58,60,-56,48,-66,48,-72,74,-42,80,-80,61,-82,72, -56,90,-96,64,-72,98,-70,100,-104,64,-106,108,-72, 114,-96] |