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 | 19460899 |
| 2 | 86276401 |
| 3 | 87980803 |
| 4 | 167646631 |
| 5 | 300722029 |
| 6 | 343507111 |
| 7 | 479516311 |
| 8 | 906597943 |
| 9 | 998757829 |
| 10 | 1031308249 |
| 11 | 1112697199 |
| 12 | 1311383431 |
| 13 | 1962194053 |