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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 25 |
| 6 | 100 |
| 7 | 729 |
| 8 | 2401 |
| 9 | 9604 |
| 10 | 71289 |
| 11 | 235225 |
| 12 | 940900 |
| 13 | 6985449 |
| 14 | 23049601 |
| 15 | 92198404 |
| 16 | 684502569 |
| 17 | 2258625625 |
| 18 | 9034502500 |
| 19 | 67074266169 |
| 20 | 221322261601 |
| 21 | 885289046404 |
| 22 | 6572593581849 |
| 23 | 21687323011225 |
| 24 | 86749292044900 |
[0,1,4,9,25,100,729,2401,9604,71289,235225,940900, 6985449,23049601,92198404,684502569,2258625625, 9034502500,67074266169,221322261601,885289046404, 6572593581849,21687323011225,86749292044900] |