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 | 5 |
| 4 | 11 |
| 5 | 29 |
| 6 | 109 |
| 7 | 379 |
| 8 | 1429 |
| 9 | 4159 |
| 10 | 23869 |
| 11 | 188189 |
| 12 | 2147419 |
| 13 | 13470731 |
| 14 | 71469971 |
| 15 | 573015871 |
| 16 | 4272944831 |
| 17 | 23731864001 |