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| n | a(n) |
|---|---|
| 2 | -1 |
| 3 | 187 |
| 4 | 408 |
| 5 | 630 |
| 6 | 852 |
| 7 | 1074 |
| 8 | 1296 |
| 9 | 1518 |
| 10 | 1740 |
| 11 | 1962 |
| 12 | 2184 |
| 13 | 2404 |
| 14 | 2628 |
| 15 | 2850 |
| 16 | 3072 |
| 17 | 3292 |
| 18 | 3516 |
| 19 | 3736 |
| 20 | 3960 |
| 21 | 4180 |
| 22 | 4404 |
| 23 | 4624 |
| 24 | 4848 |
| 25 | 5066 |
| 26 | 5292 |
| 27 | 5512 |
| 28 | 5736 |
| 29 | 5954 |
| 30 | 6180 |
| 31 | 6398 |
| 32 | 6624 |
| 33 | 6842 |
| 34 | 7068 |
| 35 | 7286 |
| 36 | 7512 |
| 37 | 7728 |
| 38 | 7956 |
| 39 | 8174 |
| 40 | 8400 |
| 41 | 8616 |
[-1,187,408,630,852,1074,1296,1518,1740,1962,2184, 2404,2628,2850,3072,3292,3516,3736,3960,4180,4404, 4624,4848,5066,5292,5512,5736,5954,6180,6398,6624, 6842,7068,7286,7512,7728,7956,8174,8400,8616] |