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) |
|---|---|
| 0 | 1 |
| 1 | 49 |
| 2 | 193 |
| 3 | 433 |
| 4 | 769 |
| 5 | 1201 |
| 6 | 1729 |
| 7 | 2353 |
| 8 | 3073 |
| 9 | 3889 |
| 10 | 4801 |
| 11 | 5809 |
| 12 | 6913 |
| 13 | 8113 |
| 14 | 9409 |
| 15 | 10801 |
| 16 | 12289 |
| 17 | 13873 |
| 18 | 15553 |
| 19 | 17329 |
| 20 | 19201 |
| 21 | 21169 |
| 22 | 23233 |
| 23 | 25393 |
| 24 | 27649 |
| 25 | 30001 |
| 26 | 32449 |
| 27 | 34993 |
| 28 | 37633 |
| 29 | 40369 |
| 30 | 43201 |
| 31 | 46129 |
| 32 | 49153 |
| 33 | 52273 |
| 34 | 55489 |
| 35 | 58801 |
| 36 | 62209 |
| 37 | 65713 |
| 38 | 69313 |
| 39 | 73009 |
| 40 | 76801 |