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 | 811538 |
| 2 | 1733522 |
| 3 | 2798978 |
| 4 | 3750578 |
| 5 | 4614722 |
| 6 | 5978882 |
| 7 | 6573938 |
| 8 | 7303842 |
| 9 | 8878898 |
| 10 | 12771458 |
| 11 | 12984608 |
| 12 | 13760258 |
| 13 | 14677362 |
| 14 | 15601698 |
| 15 | 15916082 |
| 16 | 16196193 |
| 17 | 17868242 |
| 18 | 20621042 |
| 19 | 21556178 |
| 20 | 22349522 |
| 21 | 22673378 |
| 22 | 25190802 |
| 23 | 25589858 |
| 24 | 27736352 |
| 25 | 29969282 |
| 26 | 30623138 |
| 27 | 33998258 |
| 28 | 39765362 |
| 29 | 41532498 |
| 30 | 44048498 |