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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 25 |
| 3 | 100 |
| 4 | 289 |
| 5 | 676 |
| 6 | 1369 |
| 7 | 2500 |
| 8 | 4225 |
| 9 | 6724 |
| 10 | 10201 |
| 11 | 14884 |
| 12 | 21025 |
| 13 | 28900 |
| 14 | 38809 |
| 15 | 51076 |
| 16 | 66049 |
| 17 | 84100 |
| 18 | 105625 |
| 19 | 131044 |
| 20 | 160801 |
| 21 | 195364 |
| 22 | 235225 |
| 23 | 280900 |
| 24 | 332929 |
| 25 | 391876 |
| 26 | 458329 |
| 27 | 532900 |
| 28 | 616225 |
| 29 | 708964 |
| 30 | 811801 |
| 31 | 925444 |
| 32 | 1050625 |
| 33 | 1188100 |
[1,4,25,100,289,676,1369,2500,4225,6724,10201, 14884,21025,28900,38809,51076,66049,84100,105625, 131044,160801,195364,235225,280900,332929,391876, 458329,532900,616225,708964,811801,925444,1050625, 1188100] |