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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 0 |
| 3 | 6 |
| 4 | -10 |
| 5 | -2 |
| 6 | 34 |
| 7 | -50 |
| 8 | -22 |
| 9 | 190 |
| 10 | -246 |
| 11 | -178 |
| 12 | 1050 |
| 13 | -1186 |
| 14 | -1270 |
| 15 | 5742 |
| 16 | -5574 |
| 17 | -8450 |
| 18 | 31082 |
| 19 | -25330 |
| 20 | -53734 |
| 21 | 166558 |
| 22 | -109750 |
| 23 | -330834 |
| 24 | 883450 |
| 25 | -441282 |
| 26 | -1987286 |
| 27 | 4636750 |
| 28 | -1544742 |
| 29 | -11703330 |
| 30 | 24066314 |
| 31 | -3749138 |
| 32 | -67790150 |
| 33 | 123421054 |
| 34 | 4660970 |
| 35 | -387083378 |
| 36 | 624603546 |
[1,-2,0,6,-10,-2,34,-50,-22,190,-246,-178,1050, -1186,-1270,5742,-5574,-8450,31082,-25330,-53734, 166558,-109750,-330834,883450,-441282,-1987286, 4636750,-1544742,-11703330,24066314,-3749138, -67790150,123421054,4660970,-387083378,624603546] |