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 | 19 |
| 2 | 43 |
| 3 | 71 |
| 4 | 79 |
| 5 | 83 |
| 6 | 131 |
| 7 | 163 |
| 8 | 191 |
| 9 | 199 |
| 10 | 211 |
| 11 | 223 |
| 12 | 227 |
| 13 | 263 |
| 14 | 311 |
| 15 | 331 |
| 16 | 347 |
| 17 | 379 |
| 18 | 431 |
| 19 | 463 |
| 20 | 467 |
| 21 | 491 |
| 22 | 499 |
| 23 | 563 |
| 24 | 659 |
| 25 | 727 |
| 26 | 811 |
| 27 | 839 |
| 28 | 863 |
| 29 | 883 |
| 30 | 971 |