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 | 5 |
| 3 | 13 |
| 4 | 25 |
| 5 | 37 |
| 6 | 41 |
| 7 | 61 |
| 8 | 85 |
| 9 | 113 |
| 10 | 181 |
| 11 | 361 |
| 12 | 421 |
| 13 | 433 |
| 14 | 613 |
| 15 | 793 |
| 16 | 1009 |
| 17 | 1121 |
| 18 | 1261 |
| 19 | 2053 |
| 20 | 2161 |
| 21 | 3421 |
| 22 | 4001 |
| 23 | 5441 |
| 24 | 6481 |
| 25 | 7141 |
| 26 | 7561 |
| 27 | 8033 |
| 28 | 9361 |