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| n | a(n) |
|---|---|
| 1 | -25 |
| 2 | -361 |
| 3 | -169 |
| 4 | -5041 |
| 5 | -2809 |
| 6 | -14641 |
| 7 | 41209 |
| 8 | -13225 |
| 9 | -552049 |
| 10 | -2505889 |
| 11 | -1849 |
| 12 | -38809 |
| 13 | -17161 |
| 14 | 648025 |
| 15 | -1113025 |
| 16 | 2265025 |
| 17 | -609961 |
| 18 | -935089 |
| 19 | 140351409 |
| 20 | -18156121 |
| 21 | 41744521 |
| 22 | -20241001 |
| 23 | -139405249 |
| 24 | -7225 |
| 25 | -255025 |
[-25,-361,-169,-5041,-2809,-14641,41209,-13225, -552049,-2505889,-1849,-38809,-17161,648025, -1113025,2265025,-609961,-935089,140351409, -18156121,41744521,-20241001,-139405249,-7225, -255025] |