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 | 3 |
| 2 | 13 |
| 3 | 43 |
| 4 | 157 |
| 5 | 73 |
| 6 | 241 |
| 7 | 157 |
| 8 | 211 |
| 9 | 601 |
| 10 | 601 |
| 11 | 421 |
| 12 | 601 |
| 13 | 2971 |
| 14 | 1483 |
| 15 | 8191 |
| 16 | 6163 |
| 17 | 3307 |
| 18 | 2971 |
| 19 | 6481 |
| 20 | 8191 |
| 21 | 28393 |
| 22 | 3907 |
| 23 | 28393 |
| 24 | 6481 |
| 25 | 8191 |
| 26 | 28393 |
| 27 | 37057 |
| 28 | 26407 |
| 29 | 12211 |
| 30 | 28393 |
| 31 | 31153 |
| 32 | 113233 |
| 33 | 19183 |
| 34 | 83233 |
| 35 | 113233 |
| 36 | 37057 |
| 37 | 28393 |
| 38 | 71023 |
| 39 | 22651 |
| 40 | 83233 |
| 41 | 37057 |
| 42 | 154057 |