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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 5 |
| 3 | -12 |
| 4 | 24 |
| 5 | -46 |
| 6 | 86 |
| 7 | -152 |
| 8 | 262 |
| 9 | -442 |
| 10 | 725 |
| 11 | -1168 |
| 12 | 1852 |
| 13 | -2886 |
| 14 | 4436 |
| 15 | -6736 |
| 16 | 10103 |
| 17 | -14994 |
| 18 | 22040 |
| 19 | -32092 |
| 20 | 46336 |
| 21 | -66380 |
| 22 | 94378 |
| 23 | -133256 |
| 24 | 186926 |
| 25 | -260576 |
| 26 | 361126 |
| 27 | -497716 |
| 28 | 682340 |
| 29 | -930774 |
| 30 | 1263624 |
| 31 | -1707672 |
| 32 | 2297737 |
| 33 | -3078850 |
| 34 | 4109022 |
| 35 | -5462924 |
| 36 | 7236280 |
[1,-2,5,-12,24,-46,86,-152,262,-442,725,-1168, 1852,-2886,4436,-6736,10103,-14994,22040,-32092, 46336,-66380,94378,-133256,186926,-260576,361126, -497716,682340,-930774,1263624,-1707672,2297737, -3078850,4109022,-5462924,7236280] |