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) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 281 |
| 3 | 2827 |
| 4 | 28288 |
| 5 | 282895 |
| 6 | 2828967 |
| 7 | 28289681 |
| 8 | 282896824 |
| 9 | 2828968252 |
| 10 | 28289682538 |
| 11 | 282896825395 |
| 12 | 2828968253967 |
| 13 | 28289682539681 |
| 14 | 282896825396824 |
| 15 | 2828968253968252 |
| 16 | 28289682539682538 |
| 17 | 282896825396825395 |
| 18 | 2828968253968253967 |
| 19 | 28289682539682539681 |