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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | -18 |
| 3 | 12 |
| 4 | 21 |
| 5 | -36 |
| 6 | 36 |
| 7 | 24 |
| 8 | -90 |
| 9 | 12 |
| 10 | 54 |
| 11 | -72 |
| 12 | 84 |
| 13 | 42 |
| 14 | -144 |
| 15 | 72 |
| 16 | 93 |
| 17 | -108 |
| 18 | 36 |
| 19 | 60 |
| 20 | -252 |
| 21 | 96 |
| 22 | 108 |
| 23 | -144 |
| 24 | 180 |
| 25 | 93 |
| 26 | -252 |
| 27 | 12 |
| 28 | 168 |
| 29 | -180 |
| 30 | 216 |
| 31 | 96 |
| 32 | -378 |
| 33 | 144 |
| 34 | 162 |
| 35 | -288 |
| 36 | 84 |
| 37 | 114 |
| 38 | -360 |
| 39 | 168 |
| 40 | 270 |
| 41 | -252 |
| 42 | 288 |
| 43 | 132 |
| 44 | -504 |
| 45 | 72 |
| 46 | 216 |
| 47 | -288 |
| 48 | 372 |
| 49 | 171 |
| 50 | -558 |
| 51 | 216 |
| 52 | 294 |
| 53 | -324 |
[1,3,-18,12,21,-36,36,24,-90,12,54,-72,84,42,-144, 72,93,-108,36,60,-252,96,108,-144,180,93,-252,12, 168,-180,216,96,-378,144,162,-288,84,114,-360,168, 270,-252,288,132,-504,72,216,-288,372,171,-558, 216,294,-324] |