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 | 2 |
| 3 | 5 |
| 4 | 7 |
| 5 | 71 |
| 6 | 2591 |
| 7 | 2797 |
| 8 | 4139 |
| 9 | 5573 |
| 10 | 5651 |
| 11 | 6361 |
| 12 | 8867 |
| 13 | 17159 |
| 14 | 18089 |
| 15 | 1126523 |
| 16 | 1869173 |
| 17 | 3120317 |
| 18 | 3245939 |
| 19 | 8341961 |
| 20 | 23302423 |
| 21 | 24681191 |
| 22 | 26349383 |
| 23 | 52372163 |
| 24 | 81514259 |
| 25 | 89910487 |
| 26 | 157461181 |
| 27 | 475992263 |
| 28 | 583892083 |
| 29 | 770930497 |
| 30 | 1184975581 |
| 31 | 1436753887 |
| 32 | 1498302107 |
| 33 | 5389332217 |