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 | 13 |
| 2 | 73 |
| 3 | 97 |
| 4 | 109 |
| 5 | 181 |
| 6 | 229 |
| 7 | 241 |
| 8 | 277 |
| 9 | 337 |
| 10 | 409 |
| 11 | 421 |
| 12 | 457 |
| 13 | 541 |
| 14 | 709 |
| 15 | 733 |
| 16 | 757 |
| 17 | 829 |
| 18 | 1009 |
| 19 | 1033 |
| 20 | 1093 |
| 21 | 1117 |
| 22 | 1129 |
| 23 | 1153 |
| 24 | 1213 |
| 25 | 1237 |
| 26 | 1249 |
| 27 | 1381 |
| 28 | 1453 |
| 29 | 1489 |
| 30 | 1597 |
| 31 | 1609 |
| 32 | 1621 |
| 33 | 1669 |
| 34 | 1753 |
| 35 | 1777 |
| 36 | 1873 |
| 37 | 2017 |
| 38 | 2029 |
| 39 | 2089 |
| 40 | 2113 |
| 41 | 2161 |
| 42 | 2221 |
| 43 | 2281 |