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 | 1 |
| 2 | 13 |
| 3 | 53 |
| 4 | 67 |
| 5 | 83 |
| 6 | 85 |
| 7 | 155 |
| 8 | 2765 |
| 9 | 3379 |
| 10 | 3875 |
| 11 | 5207 |
| 12 | 10745 |
| 13 | 15767 |
| 14 | 31315 |
| 15 | 40957 |
| 16 | 45803 |
| 17 | 46565 |
| 18 | 51007 |
| 19 | 80161 |