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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 16 |
| 4 | 144 |
| 5 | 36 |
| 6 | 1936 |
| 7 | 242064 |
| 8 | 11025 |
| 9 | 360000 |
| 10 | 19600 |
| 11 | 1089 |
| 12 | 106998336 |
| 13 | 1806336 |
| 14 | 9048064 |
| 15 | 9216 |
| 16 | 239121 |
| 17 | 23104 |
| 18 | 2250000 |
| 19 | 3240000 |
| 20 | 9025 |
| 21 | 2985984 |
| 22 | 1332542016 |
| 23 | 301401 |
| 24 | 2102405904 |
| 25 | 102252544 |
| 26 | 1289097216 |
| 27 | 19554084 |
| 28 | 7441984 |
| 29 | 1115136 |
| 30 | 4356 |
[0,9,16,144,36,1936,242064,11025,360000,19600, 1089,106998336,1806336,9048064,9216,239121,23104, 2250000,3240000,9025,2985984,1332542016,301401, 2102405904,102252544,1289097216,19554084,7441984, 1115136,4356] |