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| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 0 |
| 3 | -2 |
| 4 | 3 |
| 5 | -12 |
| 6 | 10 |
| 7 | -30 |
| 8 | 11 |
| 9 | 2 |
| 10 | 20 |
| 11 | -90 |
| 12 | 40 |
| 13 | -132 |
| 14 | 30 |
| 15 | 16 |
| 16 | 31 |
| 17 | -240 |
| 18 | 48 |
| 19 | -306 |
| 20 | 104 |
| 21 | 0 |
| 22 | 50 |
| 23 | -462 |
| 24 | 112 |
| 25 | -36 |
| 26 | 60 |
| 27 | 26 |
| 28 | 192 |
| 29 | -756 |
| 30 | 344 |
| 31 | -870 |
| 32 | 79 |
| 33 | -80 |
| 34 | 80 |
| 35 | -240 |
| 36 | 158 |
| 37 | -1260 |
| 38 | 90 |
| 39 | -144 |
| 40 | 312 |
| 41 | -1560 |
| 42 | 636 |
| 43 | -1722 |
| 44 | 440 |
| 45 | 216 |
| 46 | 110 |
| 47 | -2070 |
| 48 | 280 |
| 49 | -162 |
| 50 | 152 |
| 51 | -320 |
| 52 | 600 |
| 53 | -2652 |
| 54 | 186 |
| 55 | -880 |
| 56 | 600 |
| 57 | -432 |
| 58 | 140 |
| 59 | -3306 |
| 60 | 1120 |
| 61 | -3540 |
| 62 | 150 |
| 63 | 348 |
| 64 | 191 |
[-1,0,-2,3,-12,10,-30,11,2,20,-90,40,-132,30,16, 31,-240,48,-306,104,0,50,-462,112,-36,60,26,192, -756,344,-870,79,-80,80,-240,158,-1260,90,-144, 312,-1560,636,-1722,440,216,110,-2070,280,-162, 152,-320,600,-2652,186,-880,600,-432,140,-3306, 1120,-3540,150,348,191] |