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 | 7 |
| 2 | 47 |
| 3 | 67 |
| 4 | 107 |
| 5 | 127 |
| 6 | 167 |
| 7 | 227 |
| 8 | 307 |
| 9 | 347 |
| 10 | 367 |
| 11 | 467 |
| 12 | 487 |
| 13 | 547 |
| 14 | 587 |
| 15 | 607 |
| 16 | 647 |
| 17 | 727 |
| 18 | 787 |
| 19 | 827 |
| 20 | 887 |
| 21 | 907 |
| 22 | 947 |
| 23 | 967 |
| 24 | 1087 |
| 25 | 1187 |
| 26 | 1307 |
| 27 | 1327 |
| 28 | 1367 |
| 29 | 1427 |
| 30 | 1447 |
| 31 | 1487 |
| 32 | 1567 |
| 33 | 1607 |
| 34 | 1627 |
| 35 | 1667 |
| 36 | 1747 |
| 37 | 1787 |
| 38 | 1847 |
| 39 | 1867 |
| 40 | 1907 |
| 41 | 1987 |
| 42 | 2027 |
| 43 | 2087 |
| 44 | 2207 |
| 45 | 2267 |
| 46 | 2287 |
| 47 | 2347 |
| 48 | 2447 |