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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 81 |
| 4 | 144 |
| 5 | 400 |
| 6 | 625 |
| 7 | 15625 |
| 8 | 17956 |
| 9 | 30276 |
| 10 | 34225 |
| 11 | 54289 |
| 12 | 60516 |
| 13 | 91204 |
| 14 | 1113025 |
| 15 | 1478656 |
| 16 | 1934881 |
| 17 | 2496400 |
| 18 | 3179089 |
| 19 | 4000000 |
| 20 | 4977361 |
| 21 | 6130576 |
| 22 | 7480225 |
| 23 | 9048064 |
| 24 | 1009205824 |
| 25 | 1063281664 |
| 26 | 1077152400 |
| 27 | 1134072976 |
| 28 | 1148667664 |
[0,9,81,144,400,625,15625,17956,30276,34225,54289, 60516,91204,1113025,1478656,1934881,2496400, 3179089,4000000,4977361,6130576,7480225,9048064, 1009205824,1063281664,1077152400,1134072976, 1148667664] |