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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 1521 |
| 6 | 1681 |
| 7 | 2025 |
| 8 | 2304 |
| 9 | 2601 |
| 10 | 3364 |
| 11 | 3481 |
| 12 | 3600 |
| 13 | 4489 |
| 14 | 4624 |
| 15 | 5776 |
| 16 | 5929 |
| 17 | 7225 |
| 18 | 7396 |
| 19 | 8100 |
| 20 | 8836 |
| 21 | 9025 |
| 22 | 100000000 |
| 23 | 100020001 |
| 24 | 100040004 |
| 25 | 100060009 |
| 26 | 100080016 |
| 27 | 100100025 |
| 28 | 100200100 |
| 29 | 100220121 |
| 30 | 100240144 |
| 31 | 100260169 |
| 32 | 100400400 |
[0,1,4,9,1521,1681,2025,2304,2601,3364,3481,3600, 4489,4624,5776,5929,7225,7396,8100,8836,9025, 100000000,100020001,100040004,100060009,100080016, 100100025,100200100,100220121,100240144,100260169, 100400400] |