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 | 47 |
| 2 | 59 |
| 3 | 107 |
| 4 | 4139 |
| 5 | 16427 |
| 6 | 65579 |
| 7 | 262187 |
| 8 | 16777259 |
| 9 | 302231454903657293676587 |
| 10 | 4835703278458516698824747 |
| 11 | 20769187434139310514121985316880427 |