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 | 15 |
| 2 | 23 |
| 3 | 55 |
| 4 | 62 |
| 5 | 71 |
| 6 | 471 |
| 7 | 478 |
| 8 | 510 |
| 9 | 646 |
| 10 | 806 |
| 11 | 839 |
| 12 | 879 |
| 13 | 939 |
| 14 | 1023 |
| 15 | 1063 |
| 16 | 1287 |
| 17 | 2127 |
| 18 | 5135 |
| 19 | 6811 |
| 20 | 7499 |
| 21 | 9191 |
| 22 | 26471 |