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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 6 |
| 4 | -6 |
| 5 | 10 |
| 6 | -7 |
| 7 | 22 |
| 8 | -26 |
| 9 | 26 |
| 10 | -16 |
| 11 | 51 |
| 12 | -54 |
| 13 | 38 |
| 14 | -41 |
| 15 | 101 |
| 16 | -83 |
| 17 | 71 |
| 18 | -72 |
| 19 | 119 |
| 20 | -143 |
| 21 | 123 |
| 22 | -66 |
| 23 | 211 |
| 24 | -230 |
| 25 | 111 |
| 26 | -151 |
| 27 | 279 |
| 28 | -216 |
| 29 | 220 |
| 30 | -182 |
| 31 | 315 |
| 32 | -397 |
| 33 | 237 |
| 34 | -207 |
| 35 | 467 |
| 36 | -430 |
| 37 | 274 |
| 38 | -279 |
| 39 | 599 |
| 40 | -519 |
| 41 | 343 |
| 42 | -423 |
| 43 | 524 |
| 44 | -665 |
| 45 | 557 |
| 46 | -250 |
| 47 | 879 |
| 48 | -874 |
| 49 | 380 |
| 50 | -612 |
| 51 | 874 |
| 52 | -776 |
[1,-1,6,-6,10,-7,22,-26,26,-16,51,-54,38,-41,101, -83,71,-72,119,-143,123,-66,211,-230,111,-151,279, -216,220,-182,315,-397,237,-207,467,-430,274,-279, 599,-519,343,-423,524,-665,557,-250,879,-874,380, -612,874,-776] |