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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | -4 |
| 3 | 0 |
| 4 | -4 |
| 5 | 0 |
| 6 | -4 |
| 7 | -4 |
| 8 | 0 |
| 9 | -4 |
| 10 | -4 |
| 11 | 0 |
| 12 | -4 |
| 13 | -8 |
| 14 | 0 |
| 15 | -4 |
| 16 | -8 |
| 17 | 16 |
| 18 | 0 |
| 19 | -4 |
| 20 | -12 |
| 21 | 16 |
| 22 | 0 |
| 23 | -4 |
| 24 | -12 |
| 25 | 32 |
| 26 | 0 |
| 27 | -4 |
| 28 | -16 |
| 29 | 48 |
| 30 | 0 |
| 31 | -4 |
| 32 | -16 |
| 33 | 64 |
| 34 | 16 |
| 35 | 0 |
| 36 | -4 |
| 37 | -20 |
| 38 | 80 |
| 39 | 16 |
| 40 | 0 |
| 41 | -4 |
| 42 | -20 |
| 43 | 112 |
| 44 | 32 |
| 45 | 0 |
| 46 | -4 |
| 47 | -24 |
| 48 | 128 |
| 49 | 48 |
| 50 | 0 |
| 51 | -4 |
| 52 | -24 |
| 53 | 160 |
| 54 | 80 |
| 55 | 0 |
| 56 | -4 |
| 57 | -28 |
| 58 | 192 |
| 59 | 96 |
| 60 | -64 |
| 61 | 0 |
| 62 | -4 |
| 63 | -28 |
| 64 | 224 |
| 65 | 144 |
[1,0,-4,0,-4,0,-4,-4,0,-4,-4,0,-4,-8,0,-4,-8,16,0, -4,-12,16,0,-4,-12,32,0,-4,-16,48,0,-4,-16,64,16, 0,-4,-20,80,16,0,-4,-20,112,32,0,-4,-24,128,48,0, -4,-24,160,80,0,-4,-28,192,96,-64,0,-4,-28,224, 144] |