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 | 810000 |
| 2 | 3111696 |
| 3 | 5670000 |
| 4 | 8910000 |
| 5 | 10530000 |
| 6 | 13770000 |
| 7 | 15390000 |
| 8 | 15558480 |
| 9 | 18630000 |
| 10 | 18974736 |
| 11 | 23490000 |
| 12 | 24010000 |
| 13 | 25110000 |
| 14 | 29970000 |
| 15 | 33210000 |
| 16 | 34228656 |
| 17 | 34830000 |
| 18 | 37015056 |
| 19 | 38070000 |
| 20 | 39690000 |
| 21 | 40452048 |
| 22 | 42930000 |
| 23 | 47790000 |
| 24 | 49410000 |
| 25 | 52898832 |
| 26 | 54270000 |
| 27 | 57510000 |