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 | 1521 |
| 2 | 4225 |
| 3 | 4489 |
| 4 | 11449 |
| 5 | 15129 |
| 6 | 32041 |
| 7 | 38025 |
| 8 | 67081 |
| 9 | 99225 |
| 10 | 114921 |
| 11 | 136161 |
| 12 | 137641 |
| 13 | 152881 |
| 14 | 173889 |
| 15 | 182329 |
| 16 | 218089 |
| 17 | 221841 |
| 18 | 227529 |
| 19 | 292681 |
| 20 | 294849 |
| 21 | 297025 |
| 22 | 299209 |
| 23 | 301401 |
| 24 | 303601 |
| 25 | 305809 |
| 26 | 308025 |
| 27 | 310249 |
| 28 | 312481 |
| 29 | 314721 |