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 | 13 |
| 2 | 547 |
| 3 | 16538 |
| 4 | 547897 |
| 5 | 17631496 |
| 6 | 572818585 |
| 7 | 18550312526 |
| 8 | 601393482628 |
| 9 | 19489674499639 |
| 10 | 631692508651393 |
| 11 | 20473304776032755 |
| 12 | 663554579452002670 |
| 13 | 21506172950462296264 |
| 14 | 697028243024982135832 |
| 15 | 22591098951348605776520 |