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 | 1000000000 |
| 2 | 500000000 |
| 3 | 333333333 |
| 4 | 250000000 |
| 5 | 200000000 |
| 6 | 166666666 |
| 7 | 142857142 |
| 8 | 125000000 |
| 9 | 111111111 |
| 10 | 100000000 |
| 11 | 90909090 |
| 12 | 83333333 |
| 13 | 76923076 |
| 14 | 71428571 |
| 15 | 66666666 |
| 16 | 62500000 |
| 17 | 58823529 |
| 18 | 55555555 |
| 19 | 52631578 |
| 20 | 50000000 |