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 | 3 |
| 2 | 7 |
| 3 | 13 |
| 4 | 53 |
| 5 | 67 |
| 6 | 97 |
| 7 | 227 |
| 8 | 263 |
| 9 | 277 |
| 10 | 337 |
| 11 | 487 |
| 12 | 503 |
| 13 | 547 |
| 14 | 557 |
| 15 | 613 |
| 16 | 617 |
| 17 | 647 |
| 18 | 683 |
| 19 | 727 |
| 20 | 937 |
| 21 | 953 |
| 22 | 977 |
| 23 | 1093 |
| 24 | 1277 |
| 25 | 1327 |
| 26 | 1427 |
| 27 | 1583 |
| 28 | 1637 |
| 29 | 1663 |
| 30 | 1723 |
| 31 | 1873 |
| 32 | 1907 |
| 33 | 1987 |
| 34 | 2087 |
| 35 | 2267 |
| 36 | 2297 |
| 37 | 2467 |
| 38 | 2593 |
| 39 | 2663 |
| 40 | 2677 |
| 41 | 2803 |
| 42 | 3037 |
| 43 | 3083 |
| 44 | 3343 |
| 45 | 3373 |
| 46 | 3433 |
| 47 | 3643 |