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 | 2 |
| 2 | 3 |
| 3 | 19 |
| 4 | 37 |
| 5 | 131 |
| 6 | 317 |
| 7 | 419 |
| 8 | 563 |
| 9 | 953 |
| 10 | 3037 |
| 11 | 4003 |
| 12 | 5689 |
| 13 | 11933 |
| 14 | 49939 |
| 15 | 69247 |