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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -6 |
| 3 | -12 |
| 4 | 6 |
| 5 | 65 |
| 6 | 179 |
| 7 | 202 |
| 8 | -137 |
| 9 | -1392 |
| 10 | -3492 |
| 11 | -5135 |
| 12 | -1325 |
| 13 | 15437 |
| 14 | 52934 |
| 15 | 101787 |
| 16 | 116827 |
| 17 | -16945 |
| 18 | -462603 |
| 19 | -1350732 |
| 20 | -2475989 |
| 21 | -2889620 |
| 22 | -343236 |
| 23 | 8559858 |
| 24 | 26972213 |
| 25 | 53099230 |
| 26 | 72521956 |
| 27 | 47535918 |
| 28 | -86985043 |
| 29 | -409729146 |
| 30 | -952305325 |
| 31 | -1577038736 |
[1,-1,-6,-12,6,65,179,202,-137,-1392,-3492,-5135, -1325,15437,52934,101787,116827,-16945,-462603, -1350732,-2475989,-2889620,-343236,8559858, 26972213,53099230,72521956,47535918,-86985043, -409729146,-952305325,-1577038736] |