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 | 223 |
| 2 | 269 |
| 3 | 281 |
| 4 | 457 |
| 5 | 499 |
| 6 | 839 |
| 7 | 1049 |
| 8 | 1289 |
| 9 | 1373 |
| 10 | 1459 |
| 11 | 1543 |
| 12 | 1609 |
| 13 | 2003 |
| 14 | 2011 |
| 15 | 2017 |
| 16 | 2027 |
| 17 | 2029 |
| 18 | 2053 |
| 19 | 2081 |
| 20 | 2087 |
| 21 | 2213 |
| 22 | 2221 |
| 23 | 2237 |
| 24 | 2239 |
| 25 | 2243 |
| 26 | 2267 |
| 27 | 2269 |
| 28 | 2293 |
| 29 | 2297 |
| 30 | 2441 |
| 31 | 2459 |
| 32 | 2609 |
| 33 | 2657 |
| 34 | 2659 |
| 35 | 2693 |
| 36 | 2699 |
| 37 | 2803 |
| 38 | 2833 |
| 39 | 2851 |
| 40 | 2857 |
| 41 | 2879 |
| 42 | 2887 |
| 43 | 2897 |
| 44 | 3449 |
| 45 | 3557 |