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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 25 |
| 3 | 49 |
| 4 | 121 |
| 5 | 289 |
| 6 | 1849 |
| 7 | 5041 |
| 8 | 11881 |
| 9 | 32761 |
| 10 | 109561 |
| 11 | 196249 |
| 12 | 6466849 |
| 13 | 9369721 |
| 14 | 30283009 |
| 15 | 52374169 |
| 16 | 72880369 |
| 17 | 1000267129 |
[9,25,49,121,289,1849,5041,11881,32761,109561, 196249,6466849,9369721,30283009,52374169,72880369, 1000267129] |