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 | 5 |
| 2 | 7 |
| 3 | 49 |
| 4 | 165 |
| 5 | 251 |
| 6 | 345 |
| 7 | 385 |
| 8 | 945 |
| 9 | 949 |
| 10 | 1001 |
| 11 | 1963 |
| 12 | 2113 |
| 13 | 2249 |
| 14 | 3751 |
| 15 | 4381 |
| 16 | 4911 |
| 17 | 5133 |
| 18 | 10039 |
| 19 | 29693 |
| 20 | 34901 |
| 21 | 73885 |
| 22 | 99319 |
| 23 | 104883 |
| 24 | 113613 |