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 | 26 |
| 2 | 49 |
| 3 | 2285 |
| 4 | 1109111 |
| 5 | 3069307 |
| 6 | 12028229 |
| 7 | 12866669 |
| 8 | 110091011 |
| 9 | 10207355549 |
| 10 | 11010911011 |
| 11 | 11100910111 |
| 12 | 13579355059 |
| 13 | 30101273647 |
| 14 | 30693069307 |
| 15 | 111283619361 |