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 | 19687 |
| 2 | 19763 |
| 3 | 19963 |
| 4 | 20563 |
| 5 | 32003 |
| 6 | 229123 |
| 7 | 4208483 |
| 8 | 24364003 |
| 9 | 72642189283 |
| 10 | 2324549446883 |
| 11 | 5577337931669523683 |
| 12 | 38900816605808456499219683 |
| 13 | 26070192823309041523916819683 |