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 | 257 |
| 2 | 521 |
| 3 | 577 |
| 4 | 641 |
| 5 | 769 |
| 6 | 1031 |
| 7 | 1033 |
| 8 | 1049 |
| 9 | 1061 |
| 10 | 1091 |
| 11 | 1093 |
| 12 | 1097 |
| 13 | 1153 |
| 14 | 1217 |
| 15 | 1283 |
| 16 | 1289 |
| 17 | 1297 |
| 18 | 1409 |
| 19 | 1553 |
| 20 | 1601 |
| 21 | 2053 |
| 22 | 2069 |
| 23 | 2081 |
| 24 | 2083 |
| 25 | 2089 |
| 26 | 2113 |
| 27 | 2129 |
| 28 | 2179 |
| 29 | 2309 |
| 30 | 2593 |
| 31 | 2689 |
| 32 | 3089 |
| 33 | 3137 |
| 34 | 3329 |
| 35 | 4099 |
| 36 | 4111 |
| 37 | 4129 |
| 38 | 4133 |
| 39 | 4139 |
| 40 | 4153 |