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 | 239 |
| 2 | 439 |
| 3 | 751 |
| 4 | 971 |
| 5 | 1259 |
| 6 | 1327 |
| 7 | 1427 |
| 8 | 1567 |
| 9 | 1619 |
| 10 | 2243 |
| 11 | 2647 |
| 12 | 2699 |
| 13 | 2843 |
| 14 | 3331 |
| 15 | 3571 |
| 16 | 3803 |
| 17 | 4099 |
| 18 | 4219 |
| 19 | 5003 |
| 20 | 5227 |
| 21 | 5323 |
| 22 | 5563 |
| 23 | 5827 |
| 24 | 5987 |
| 25 | 6067 |
| 26 | 6091 |
| 27 | 6211 |
| 28 | 6571 |
| 29 | 7219 |
| 30 | 7459 |
| 31 | 7547 |
| 32 | 8467 |
| 33 | 8707 |
| 34 | 8779 |
| 35 | 9043 |
| 36 | 9907 |
| 37 | 10243 |
| 38 | 10267 |
| 39 | 10459 |
| 40 | 10651 |