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| n | a(n) |
|---|---|
| -1 | 0 |
| 0 | 1 |
| 1 | -3 |
| 2 | 0 |
| 3 | 0 |
| 4 | 9 |
| 5 | 0 |
| 6 | 0 |
| 7 | 2 |
| 8 | 0 |
| 9 | -27 |
| 10 | 0 |
| 11 | 0 |
| 12 | -18 |
| 13 | 0 |
| 14 | 0 |
| 15 | -2 |
| 16 | 81 |
| 17 | 0 |
| 18 | 0 |
| 19 | 108 |
| 20 | 0 |
| 21 | 0 |
| 22 | 36 |
| 23 | 0 |
| 24 | 0 |
| 25 | -243 |
| 26 | 0 |
| 27 | 0 |
| 28 | -540 |
| 29 | 0 |
| 30 | 0 |
| 31 | -360 |
| 32 | 0 |
| 33 | 0 |
| 34 | 152 |
| 35 | 0 |
| 36 | 729 |
| 37 | 0 |
| 38 | 0 |
| 39 | 2430 |
| 40 | 0 |
| 41 | 0 |
| 42 | 2700 |
| 43 | 0 |
| 44 | 0 |
| 45 | -16440 |
| 46 | 0 |
| 47 | 0 |
| 48 | -152 |
| 49 | -2187 |
| 50 | 0 |
| 51 | 0 |
| 52 | -10206 |
| 53 | 0 |
| 54 | 0 |
| 55 | -17010 |
| 56 | 0 |
| 57 | 0 |
| 58 | 1311840 |
| 59 | 0 |
| 60 | 0 |
| 61 | 24240 |
| 62 | 0 |
| 63 | 0 |
| 64 | 6561 |
| 65 | 0 |
| 66 | 0 |
| 67 | 40824 |
| 68 | 0 |
[0,1,-3,0,0,9,0,0,2,0,-27,0,0,-18,0,0,-2,81,0,0, 108,0,0,36,0,0,-243,0,0,-540,0,0,-360,0,0,152,0, 729,0,0,2430,0,0,2700,0,0,-16440,0,0,-152,-2187,0, 0,-10206,0,0,-17010,0,0,1311840,0,0,24240,0,0, 6561,0,0,40824,0] |