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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -2 |
| 3 | 3 |
| 4 | 3 |
| 5 | -7 |
| 6 | -3 |
| 7 | 16 |
| 8 | 3 |
| 9 | -27 |
| 10 | -27 |
| 11 | 51 |
| 12 | -131 |
| 13 | -198 |
| 14 | 153 |
| 15 | 680 |
| 16 | 87 |
| 17 | -144 |
| 18 | 1728 |
| 19 | 837 |
| 20 | -612 |
| 21 | -1209 |
| 22 | 8323 |
| 23 | 7692 |
| 24 | -18603 |
| 25 | 19731 |
| 26 | 90355 |
| 27 | 53811 |
| 28 | -11862 |
| 29 | -26325 |
| 30 | -4617 |
| 31 | 43011 |
| 32 | -146043 |
| 33 | -285804 |
| 34 | 4338927 |
| 35 | -10634576 |
| 36 | -9106743 |
| 37 | -4841163 |
| 38 | 25073595 |
| 39 | -39991893 |
| 40 | -78120734 |
| 41 | -38434140 |
| 42 | 71394066 |
| 43 | -79624323 |
| 44 | 103828878 |
[1,-2,3,3,-7,-3,16,3,-27,-27,51,-131,-198,153,680, 87,-144,1728,837,-612,-1209,8323,7692,-18603, 19731,90355,53811,-11862,-26325,-4617,43011, -146043,-285804,4338927,-10634576,-9106743, -4841163,25073595,-39991893,-78120734,-38434140, 71394066,-79624323,103828878] |