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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -1 |
| 3 | 3 |
| 4 | 0 |
| 5 | -3 |
| 6 | 11 |
| 7 | 9 |
| 8 | -9 |
| 9 | -11 |
| 10 | 50 |
| 11 | 80 |
| 12 | 0 |
| 13 | -80 |
| 14 | -50 |
| 15 | 274 |
| 16 | 650 |
| 17 | 400 |
| 18 | -400 |
| 19 | -650 |
| 20 | -274 |
| 21 | 1764 |
| 22 | 5544 |
| 23 | 6300 |
| 24 | 0 |
| 25 | -6300 |
| 26 | -5544 |
| 27 | -1764 |
| 28 | 13068 |
| 29 | 51156 |
| 30 | 82908 |
| 31 | 44100 |
| 32 | -44100 |
| 33 | -82908 |
| 34 | -51156 |
| 35 | -13068 |
| 36 | 109584 |
| 37 | 513792 |
| 38 | 1072512 |
| 39 | 1016064 |
| 40 | 0 |
| 41 | -1016064 |
| 42 | -1072512 |
| 43 | -513792 |
| 44 | -109584 |
[0,1,-1,3,0,-3,11,9,-9,-11,50,80,0,-80,-50,274, 650,400,-400,-650,-274,1764,5544,6300,0,-6300, -5544,-1764,13068,51156,82908,44100,-44100,-82908, -51156,-13068,109584,513792,1072512,1016064,0, -1016064,-1072512,-513792,-109584] |