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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | 169 |
| 4 | 324 |
| 5 | 1521 |
| 6 | 125316 |
| 7 | 126025 |
| 8 | 425104 |
| 9 | 1713481 |
| 10 | 1716100 |
| 11 | 4959529 |
| 12 | 24760576 |
[0,1,4,169,324,1521,125316,126025,425104,1713481, 1716100,4959529,24760576] |