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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 2 |
| 3 | -3 |
| 4 | 6 |
| 5 | -11 |
| 6 | 16 |
| 7 | -24 |
| 8 | 38 |
| 9 | -57 |
| 10 | 82 |
| 11 | -117 |
| 12 | 168 |
| 13 | -238 |
| 14 | 328 |
| 15 | -448 |
| 16 | 614 |
| 17 | -834 |
| 18 | 1114 |
| 19 | -1480 |
| 20 | 1966 |
| 21 | -2592 |
| 22 | 3384 |
| 23 | -4398 |
| 24 | 5704 |
| 25 | -7361 |
| 26 | 9436 |
| 27 | -12045 |
| 28 | 15344 |
| 29 | -19470 |
| 30 | 24576 |
| 31 | -30922 |
| 32 | 38822 |
| 33 | -48576 |
| 34 | 60548 |
| 35 | -75259 |
| 36 | 93342 |
| 37 | -115454 |
| 38 | 142360 |
| 39 | -175104 |
| 40 | 214958 |
| 41 | -263262 |
[1,-1,2,-3,6,-11,16,-24,38,-57,82,-117,168,-238, 328,-448,614,-834,1114,-1480,1966,-2592,3384, -4398,5704,-7361,9436,-12045,15344,-19470,24576, -30922,38822,-48576,60548,-75259,93342,-115454, 142360,-175104,214958,-263262] |