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 | 2 |
| 2 | 31 |
| 3 | 73 |
| 4 | 87 |
| 5 | 117 |
| 6 | 283 |
| 7 | 313 |
| 8 | 319 |
| 9 | 375 |
| 10 | 379 |
| 11 | 395 |
| 12 | 415 |
| 13 | 419 |
| 14 | 433 |
| 15 | 445 |
| 16 | 471 |
| 17 | 477 |
| 18 | 499 |
| 19 | 505 |
| 20 | 515 |
| 21 | 535 |
| 22 | 587 |
| 23 | 613 |
| 24 | 665 |
| 25 | 769 |
| 26 | 841 |
| 27 | 929 |