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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 9 |
| 6 | 4 |
| 7 | 25 |
| 8 | 4 |
| 9 | 49 |
| 10 | 16 |
| 11 | 81 |
| 12 | 9 |
| 13 | 121 |
| 14 | 36 |
| 15 | 169 |
| 16 | 16 |
| 17 | 225 |
| 18 | 64 |
| 19 | 289 |
| 20 | 25 |
| 21 | 361 |
| 22 | 100 |
| 23 | 441 |
| 24 | 36 |
| 25 | 529 |
| 26 | 144 |
| 27 | 625 |
| 28 | 49 |
| 29 | 729 |
| 30 | 196 |
| 31 | 841 |
| 32 | 64 |
| 33 | 961 |
| 34 | 256 |
| 35 | 1089 |
| 36 | 81 |
| 37 | 1225 |
| 38 | 324 |
| 39 | 1369 |
| 40 | 100 |
| 41 | 1521 |
| 42 | 400 |
| 43 | 1681 |
| 44 | 121 |
| 45 | 1849 |
| 46 | 484 |
| 47 | 2025 |
| 48 | 144 |
| 49 | 2209 |
| 50 | 576 |
[0,1,0,1,1,9,4,25,4,49,16,81,9,121,36,169,16,225, 64,289,25,361,100,441,36,529,144,625,49,729,196, 841,64,961,256,1089,81,1225,324,1369,100,1521,400, 1681,121,1849,484,2025,144,2209,576] |