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 | 341 |
| 2 | 1387 |
| 3 | 2047 |
| 4 | 2701 |
| 5 | 31621 |
| 6 | 42799 |
| 7 | 49141 |
| 8 | 49981 |
| 9 | 60701 |
| 10 | 83333 |
| 11 | 88357 |
| 12 | 90751 |
| 13 | 104653 |
| 14 | 129889 |
| 15 | 130561 |
| 16 | 150851 |
| 17 | 162193 |
| 18 | 164737 |
| 19 | 219781 |
| 20 | 226801 |
| 21 | 241001 |
| 22 | 249841 |
| 23 | 282133 |
| 24 | 1194649 |
| 25 | 1678541 |
| 26 | 2035153 |
| 27 | 2134277 |
| 28 | 2163001 |
| 29 | 2284453 |
| 30 | 2304167 |
| 31 | 2491637 |