| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 0 |
| 1 | 4 |
| 2 | -2 |
| 3 | 0 |
| 4 | 8 |
| 5 | 1 |
| 6 | 0 |
| 7 | 12 |
| 8 | -4 |
| 9 | 0 |
| 10 | 32 |
| 11 | 8 |
| 12 | 0 |
| 13 | 52 |
| 14 | -6 |
| 15 | 0 |
| 16 | 80 |
| 17 | 10 |
| 18 | 0 |
| 19 | 148 |
| 20 | -16 |
| 21 | 0 |
| 22 | 224 |
| 23 | 18 |
| 24 | 0 |
| 25 | 332 |
| 26 | -26 |
| 27 | 0 |
| 28 | 536 |
| 29 | 33 |
| 30 | 0 |
| 31 | 784 |
| 32 | -40 |
| 33 | 0 |
| 34 | 1120 |
| 35 | 58 |
| 36 | 0 |
| 37 | 1676 |
| 38 | -74 |
| 39 | 0 |
| 40 | 2368 |
| 41 | 82 |
| 42 | 0 |
| 43 | 3296 |
| 44 | -112 |
| 45 | 0 |
| 46 | 4704 |
| 47 | 147 |
| 48 | 0 |
| 49 | 6472 |
| 50 | -166 |
| 51 | 0 |
| 52 | 8808 |
| 53 | 212 |
| 54 | 0 |
| 55 | 12160 |
| 56 | -268 |
| 57 | 0 |
| 58 | 16384 |
| 59 | 316 |
| 60 | 0 |
| 61 | 21884 |
| 62 | -392 |
| 63 | 0 |
| 64 | 29472 |
| 65 | 476 |
[1,0,4,-2,0,8,1,0,12,-4,0,32,8,0,52,-6,0,80,10,0, 148,-16,0,224,18,0,332,-26,0,536,33,0,784,-40,0, 1120,58,0,1676,-74,0,2368,82,0,3296,-112,0,4704, 147,0,6472,-166,0,8808,212,0,12160,-268,0,16384, 316,0,21884,-392,0,29472,476] |