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 | 281 |
| 3 | 25237 |
| 4 | 1359329 |
| 5 | 1603597 |
| 6 | 6706397 |
| 7 | 8300797 |
| 8 | 32106383 |
| 9 | 33262057 |
| 10 | 33312781 |
| 11 | 37233373 |
| 12 | 57922687 |
| 13 | 87938423 |
| 14 | 124285471 |
| 15 | 143031971 |
| 16 | 144784201 |
| 17 | 179684179 |
| 18 | 185763283 |
| 19 | 186515239 |
| 20 | 229240489 |
| 21 | 237863777 |
| 22 | 248536159 |
| 23 | 280322407 |
| 24 | 298010851 |
| 25 | 375529801 |
| 26 | 481405411 |
| 27 | 488236271 |
| 28 | 498472207 |