The first 25 square numbers
| the square of 1 is 1 |
| the square of 2 is 4 |
| the square of 3 is 9 |
| the square of 4 is 16 |
| the square of 5 is 25 |
| the square of 6 is 36 |
| the square of 7 is 49 |
| the square of 8 is 64 |
| the square of 9 is 81 |
| the square of 10 is 100 |
| the square of 11 is 121 |
| the square of 12 is 144 |
| the square of 13 is 169 |
| the square of 14 is 196 |
| the square of 15 is 225 |
| the square of 16 is 256 |
| the square of 17 is 289 |
| the square of 18 is 324 |
| the square of 19 is 361 |
| the square of 20 is 400 |
| the square of 21 is 441 |
| the square of 22 is 484 |
| the square of 23 is 529 |
| the square of 24 is 576 |
| the square of 25 is 625 |
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