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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 144 |
| 5 | 441 |
| 6 | 14884 |
| 7 | 44944 |
| 8 | 48841 |
| 9 | 132496 |
| 10 | 214369 |
| 11 | 268324 |
| 12 | 288369 |
| 13 | 294849 |
| 14 | 346921 |
| 15 | 436921 |
| 16 | 511225 |
| 17 | 617796 |
| 18 | 938961 |
| 19 | 1234321 |
| 20 | 1336336 |
| 21 | 1833316 |
| 22 | 2325625 |
| 23 | 2356225 |
| 24 | 2585664 |
| 25 | 2614689 |
| 26 | 2778889 |
| 27 | 2862864 |
| 28 | 3323329 |
| 29 | 3767481 |
| 30 | 4691556 |
[1,4,9,144,441,14884,44944,48841,132496,214369, 268324,288369,294849,346921,436921,511225,617796, 938961,1234321,1336336,1833316,2325625,2356225, 2585664,2614689,2778889,2862864,3323329,3767481, 4691556] |