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 | 3 |
| 2 | 19 |
| 3 | 73 |
| 4 | 173 |
| 5 | 293 |
| 6 | 523 |
| 7 | 751 |
| 8 | 1093 |
| 9 | 1789 |
| 10 | 1877 |
| 11 | 2803 |
| 12 | 3457 |
| 13 | 3917 |
| 14 | 4909 |
| 15 | 5569 |
| 16 | 6961 |
| 17 | 7753 |
| 18 | 9341 |