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 | 5 |
| 2 | 75 |
| 3 | 875 |
| 4 | 6875 |
| 5 | 96875 |
| 6 | 796875 |
| 7 | 6796875 |
| 8 | 66796875 |
| 9 | 966796875 |
| 10 | 5966796875 |
| 11 | 65966796875 |
| 12 | 865966796875 |
| 13 | 8865966796875 |
| 14 | 68865966796875 |
| 15 | 868865966796875 |
| 16 | 8868865966796875 |
| 17 | 78868865966796875 |
| 18 | 578868865966796875 |
| 19 | 7578868865966796875 |
| 20 | 87578868865966796875 |