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 | 89 |
| 2 | 139 |
| 3 | 4801 |
| 4 | 6829 |
| 5 | 9601 |
| 6 | 48661 |
| 7 | 305551 |
| 8 | 539849 |
| 9 | 867001 |
| 10 | 3503449 |
| 11 | 3527071 |
| 12 | 6063839 |
| 13 | 13912039 |
| 14 | 15933439 |
| 15 | 18100351 |
| 16 | 18319321 |
| 17 | 20366399 |
| 18 | 22849121 |
| 19 | 26239321 |
| 20 | 46724801 |
| 21 | 63565049 |
| 22 | 78057911 |
| 23 | 95802799 |
| 24 | 100294871 |
| 25 | 102369439 |
| 26 | 107474911 |
| 27 | 139769449 |
| 28 | 141118079 |
| 29 | 144829879 |
| 30 | 159468079 |
| 31 | 161483801 |