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 | 529 |
| 2 | 729 |
| 3 | 6889 |
| 4 | 12769 |
| 5 | 162409 |
| 6 | 644809 |
| 7 | 851929 |
| 8 | 1261129 |
| 9 | 47969476 |
| 10 | 64048009 |
| 11 | 317837584 |
| 12 | 1600240009 |
| 13 | 2822053129 |
| 14 | 24421563076 |
| 15 | 40001200009 |
| 16 | 84290347584 |
| 17 | 107667328129 |
| 18 | 145381301521 |
| 19 | 160002400009 |
| 20 | 437766166321 |
| 21 | 788815751409 |