This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 225 |
| 2 | 441 |
| 3 | 450 |
| 4 | 882 |
| 5 | 900 |
| 6 | 1089 |
| 7 | 1225 |
| 8 | 1521 |
| 9 | 1764 |
| 10 | 1800 |
| 11 | 2178 |
| 12 | 2450 |
| 13 | 2601 |
| 14 | 3025 |
| 15 | 3042 |
| 16 | 3249 |
| 17 | 3528 |
| 18 | 3600 |
| 19 | 4225 |
| 20 | 4356 |
| 21 | 4761 |
| 22 | 4900 |
| 23 | 5202 |
| 24 | 5929 |
| 25 | 6050 |
| 26 | 6084 |
| 27 | 6498 |
| 28 | 6561 |
| 29 | 7056 |
| 30 | 7200 |
| 31 | 7225 |
| 32 | 7569 |
| 33 | 8281 |
| 34 | 8450 |
| 35 | 8649 |
| 36 | 8712 |
| 37 | 9025 |
| 38 | 9522 |
| 39 | 9800 |
| 40 | 10404 |
| 41 | 11858 |
| 42 | 12100 |
| 43 | 12168 |
| 44 | 12321 |
| 45 | 12996 |
| 46 | 13122 |
| 47 | 13225 |
| 48 | 14112 |
| 49 | 14161 |
| 50 | 14400 |
| 51 | 14450 |
| 52 | 15129 |