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 | 7 |
| 2 | 5 |
| 3 | 13 |
| 4 | 19 |
| 5 | 31 |
| 6 | 167 |
| 7 | 359 |
| 8 | 461 |
| 9 | 659 |
| 10 | 1847 |
| 11 | 2803 |
| 12 | 4517 |
| 13 | 32377 |
| 14 | 35839 |
| 15 | 199373 |