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) |
|---|---|
| 2 | 7 |
| 3 | 19 |
| 4 | 37 |
| 5 | 61 |
| 6 | 4651 |
| 7 | 127 |
| 8 | 1273609 |
| 9 | 2685817 |
| 10 | 271 |
| 11 | 331 |
| 12 | 397 |
| 13 | 6431804812640900941 |
| 14 | 547 |
| 15 | 631 |
| 16 | 5613125740675652943160572913465695837595324940170321 |
| 17 | 371281 |
| 18 | 919 |