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 | 5 |
| 2 | 11 |
| 3 | 101 |
| 4 | 191 |
| 5 | 727 |
| 6 | 929 |
| 7 | 30803 |
| 8 | 74047 |
| 9 | 77477 |
| 10 | 1123211 |
| 11 | 1150511 |
| 12 | 1338331 |
| 13 | 1444441 |
| 14 | 1684861 |
| 15 | 1761671 |
| 16 | 3065603 |
| 17 | 3392933 |
| 18 | 3503053 |
| 19 | 3541453 |
| 20 | 9779779 |
| 21 | 9845489 |
| 22 | 9926299 |
| 23 | 9927299 |
| 24 | 9932399 |
| 25 | 112959211 |
| 26 | 113030311 |
| 27 | 114535411 |
| 28 | 119676911 |