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| n | a(n) |
|---|---|
| 0 | 7 |
| 1 | -3 |
| 2 | 39 |
| 3 | -39 |
| 4 | 111 |
| 5 | -99 |
| 6 | 195 |
| 7 | -191 |
| 8 | 319 |
| 9 | -319 |
| 10 | 483 |
| 11 | -471 |
| 12 | 663 |
| 13 | -639 |
| 14 | 859 |
| 15 | -863 |
| 16 | 1103 |
| 17 | -1103 |
| 18 | 1415 |
| 19 | -1391 |
| 20 | 1687 |
| 21 | -1679 |
| 22 | 2039 |
| 23 | -1987 |
| 24 | 2335 |
| 25 | -2351 |
| 26 | 2739 |
| 27 | -2727 |
| 28 | 3215 |
| 29 | -3103 |
| 30 | 3491 |
| 31 | -3511 |
| 32 | 4035 |
| 33 | -4091 |
| 34 | 4691 |
| 35 | -4603 |
| 36 | 5119 |
| 37 | -5135 |
| 38 | 5747 |
| 39 | -5703 |
| 40 | 6291 |
| 41 | -6211 |
| 42 | 6863 |
[7,-3,39,-39,111,-99,195,-191,319,-319,483,-471, 663,-639,859,-863,1103,-1103,1415,-1391,1687, -1679,2039,-1987,2335,-2351,2739,-2727,3215,-3103, 3491,-3511,4035,-4091,4691,-4603,5119,-5135,5747, -5703,6291,-6211,6863] |