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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | -1 |
| 4 | 62 |
| 5 | -13 |
| 6 | 2 |
| 7 | 381 |
| 8 | -71 |
| 9 | -19 |
| 10 | 22 |
| 11 | -3 |
| 12 | 5110 |
| 13 | -919 |
| 14 | -336 |
| 15 | 237 |
| 16 | 127 |
| 17 | -83 |
| 18 | 10 |
| 19 | 2828954 |
| 20 | -503904 |
| 21 | -159287 |
| 22 | 122523 |
| 23 | -40247 |
| 24 | 86901 |
| 25 | -33863 |
| 26 | 8718 |
| 27 | -27635 |
| 28 | 12842 |
| 29 | -1382 |
| 30 | 3440220 |
| 31 | -611266 |
| 32 | -185150 |
| 33 | 146256 |
| 34 | -62274 |
| 35 | 88137 |
| 36 | -37290 |
| 37 | 22027 |
| 38 | 16696 |
| 39 | -39341 |
| 40 | 10692 |
| 41 | -7978 |
| 42 | 11880 |
| 43 | -4322 |
| 44 | 420 |
[1,7,-1,62,-13,2,381,-71,-19,22,-3,5110,-919,-336, 237,127,-83,10,2828954,-503904,-159287,122523, -40247,86901,-33863,8718,-27635,12842,-1382, 3440220,-611266,-185150,146256,-62274,88137, -37290,22027,16696,-39341,10692,-7978,11880,-4322, 420] |