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 | 4 |
| 4 | 29 |
| 5 | 31 |
| 6 | 34 |
| 7 | 53 |
| 8 | 65 |
| 9 | 94 |
| 10 | 202 |
| 11 | 288 |
| 12 | 415 |
| 13 | 457 |
| 14 | 483 |
| 15 | 703 |
| 16 | 762 |
| 17 | 1285 |
| 18 | 1464 |
| 19 | 2094 |
| 20 | 3384 |
| 21 | 9335 |
| 22 | 15955 |
| 23 | 18910 |
| 24 | 73119 |
| 25 | 125418 |
| 26 | 143273 |
| 27 | 584279 |