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 | 1729 |
| 2 | 12801 |
| 3 | 247105 |
| 4 | 1224721 |
| 5 | 2704801 |
| 6 | 5079361 |
| 7 | 8355841 |
| 8 | 26906881 |
| 9 | 30240001 |
| 10 | 34479361 |
| 11 | 36426241 |
| 12 | 45318561 |
| 13 | 48188161 |
| 14 | 49871361 |
| 15 | 61485601 |
| 16 | 107714881 |
| 17 | 170947105 |
| 18 | 178312321 |
| 19 | 193708801 |
| 20 | 393760321 |
| 21 | 446569201 |
| 22 | 475683841 |
| 23 | 740376001 |
| 24 | 781347841 |
| 25 | 878169601 |
| 26 | 987275521 |
| 27 | 1022304361 |