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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 49 |
| 3 | 196 |
| 4 | 484 |
| 5 | 1681 |
| 6 | 4900 |
| 7 | 12100 |
| 8 | 19600 |
| 9 | 32761 |
| 10 | 73984 |
| 11 | 148225 |
| 12 | 175561 |
| 13 | 328329 |
| 14 | 492804 |
| 15 | 753424 |
| 16 | 1258884 |
| 17 | 1860496 |
| 18 | 2405601 |
| 19 | 3374569 |
| 20 | 4330561 |
| 21 | 5929225 |
| 22 | 8363664 |
| 23 | 11088900 |
| 24 | 13823524 |
| 25 | 18190225 |
| 26 | 23639044 |
| 27 | 28933641 |
| 28 | 36264484 |
| 29 | 43612816 |
| 30 | 53582400 |
| 31 | 67914081 |
| 32 | 81180100 |
| 33 | 97970404 |
[4,49,196,484,1681,4900,12100,19600,32761,73984, 148225,175561,328329,492804,753424,1258884, 1860496,2405601,3374569,4330561,5929225,8363664, 11088900,13823524,18190225,23639044,28933641, 36264484,43612816,53582400,67914081,81180100, 97970404] |