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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 9 |
| 3 | 4 |
| 4 | 9 |
| 5 | 4 |
| 6 | 25 |
| 7 | 4 |
| 8 | 9 |
| 9 | 4 |
| 10 | 9 |
| 11 | 4 |
| 12 | 25 |
| 13 | 4 |
| 14 | 9 |
| 15 | 4 |
| 16 | 9 |
| 17 | 4 |
| 18 | 49 |
| 19 | 4 |
| 20 | 9 |
| 21 | 4 |
| 22 | 25 |
| 23 | 289 |
| 24 | 25 |
| 25 | 4 |
| 26 | 49 |
| 27 | 4 |
| 28 | 9 |
| 29 | 4 |
| 30 | 49 |
| 31 | 4 |
| 32 | 25 |
| 33 | 4 |
| 34 | 121 |
| 35 | 9 |
| 36 | 49 |
| 37 | 961 |
| 38 | 49 |
| 39 | 4 |
| 40 | 9 |
| 41 | 4 |
| 42 | 121 |
| 43 | 4 |
| 44 | 25 |
| 45 | 4 |
| 46 | 289 |
| 47 | 1681 |
| 48 | 25 |
| 49 | 4 |
| 50 | 361 |
| 51 | 4 |
| 52 | 49 |
| 53 | 2209 |
| 54 | 529 |
| 55 | 4 |
| 56 | 9 |
| 57 | 4 |
| 58 | 289 |
| 59 | 4 |
| 60 | 49 |
[4,9,4,9,4,25,4,9,4,9,4,25,4,9,4,9,4,49,4,9,4,25, 289,25,4,49,4,9,4,49,4,25,4,121,9,49,961,49,4,9,4, 121,4,25,4,289,1681,25,4,361,4,49,2209,529,4,9,4, 289,4,49] |