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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 36 |
| 4 | 196 |
| 5 | 225 |
| 6 | 324 |
| 7 | 900 |
| 8 | 1225 |
| 9 | 4225 |
| 10 | 11025 |
| 11 | 41616 |
| 12 | 53361 |
| 13 | 88209 |
| 14 | 108900 |
| 15 | 176400 |
| 16 | 324900 |
| 17 | 374544 |
| 18 | 1413721 |
| 19 | 8643600 |
| 20 | 12723489 |
| 21 | 43956900 |
| 22 | 48024900 |
| 23 | 52490025 |
| 24 | 158407396 |
| 25 | 432224100 |
| 26 | 468506025 |
| 27 | 846984609 |
| 28 | 1631432881 |
[1,9,36,196,225,324,900,1225,4225,11025,41616, 53361,88209,108900,176400,324900,374544,1413721, 8643600,12723489,43956900,48024900,52490025, 158407396,432224100,468506025,846984609, 1631432881] |