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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 16 |
| 5 | 36 |
| 6 | 81 |
| 7 | 169 |
| 8 | 324 |
| 9 | 676 |
| 10 | 1369 |
| 11 | 2704 |
| 12 | 5476 |
| 13 | 11025 |
| 14 | 21904 |
| 15 | 44100 |
| 16 | 88209 |
| 17 | 176400 |
| 18 | 352836 |
| 19 | 705600 |
| 20 | 1411344 |
| 21 | 2822400 |
| 22 | 5645376 |
| 23 | 11296321 |
| 24 | 22591009 |
| 25 | 45185284 |
| 26 | 90364036 |
| 27 | 180741136 |
| 28 | 361494169 |
| 29 | 722964544 |
| 30 | 1445976676 |
| 31 | 2891965729 |
[1,4,9,16,36,81,169,324,676,1369,2704,5476,11025, 21904,44100,88209,176400,352836,705600,1411344, 2822400,5645376,11296321,22591009,45185284, 90364036,180741136,361494169,722964544,1445976676, 2891965729] |