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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 25 |
| 5 | 49 |
| 6 | 121 |
| 7 | 225 |
| 8 | 484 |
| 9 | 900 |
| 10 | 1764 |
| 11 | 3136 |
| 12 | 5929 |
| 13 | 10201 |
| 14 | 18225 |
| 15 | 30976 |
| 16 | 53361 |
| 17 | 88209 |
| 18 | 148225 |
| 19 | 240100 |
| 20 | 393129 |
| 21 | 627264 |
| 22 | 1004004 |
| 23 | 1575022 |
| 24 | 2480607 |
| 25 | 3833690 |
| 26 | 5933847 |
| 27 | 9059366 |
| 28 | 13821557 |
| 29 | 20834323 |
| 30 | 31393293 |
| 31 | 46787161 |
| 32 | 69650348 |
| 33 | 102765500 |
[1,4,9,25,49,121,225,484,900,1764,3136,5929,10201, 18225,30976,53361,88209,148225,240100,393129, 627264,1004004,1575022,2480607,3833690,5933847, 9059366,13821557,20834323,31393293,46787161, 69650348,102765500] |