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 | 2 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 19 |
| 6 | 190 |
| 7 | 1909 |
| 8 | 19092 |
| 9 | 190926 |
| 10 | 190926 |
| 11 | 190926 |
| 12 | 190926 |
| 13 | 190926 |
| 14 | 190926 |
| 15 | 190926 |
| 16 | 190926 |
| 17 | 190926 |
| 18 | 190926 |
| 19 | 190926 |
| 20 | 190926 |
| 21 | 190926 |
| 22 | 190926 |
| 23 | 190926 |
| 24 | 190926 |
| 25 | 190926 |
| 26 | 1909260 |
| 27 | 19092601 |
| 28 | 190926018 |
| 29 | 1909260182 |
| 30 | 19092601827 |
| 31 | 190926018273 |