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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 16 |
| 3 | 21 |
| 4 | 24 |
| 5 | 25 |
| 6 | 24 |
| 7 | 21 |
| 8 | 16 |
| 9 | 9 |
| 10 | 900 |
| 11 | 979 |
| 12 | 1056 |
| 13 | 1131 |
| 14 | 1204 |
| 15 | 1275 |
| 16 | 1344 |
| 17 | 1411 |
| 18 | 1476 |
| 19 | 1539 |
| 20 | 1600 |
| 21 | 1659 |
| 22 | 1716 |
| 23 | 1771 |
| 24 | 1824 |
| 25 | 1875 |
| 26 | 1924 |
| 27 | 1971 |
| 28 | 2016 |
| 29 | 2059 |
| 30 | 2100 |
| 31 | 2139 |
| 32 | 2176 |
| 33 | 2211 |
| 34 | 2244 |
| 35 | 2275 |
| 36 | 2304 |
| 37 | 2331 |
| 38 | 2356 |
| 39 | 2379 |
[9,16,21,24,25,24,21,16,9,900,979,1056,1131,1204, 1275,1344,1411,1476,1539,1600,1659,1716,1771,1824, 1875,1924,1971,2016,2059,2100,2139,2176,2211,2244, 2275,2304,2331,2356,2379] |