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 | 481 |
| 2 | 24961 |
| 3 | 28721 |
| 4 | 65441 |
| 5 | 69121 |
| 6 | 113241 |
| 7 | 345761 |
| 8 | 362401 |
| 9 | 384161 |
| 10 | 530881 |
| 11 | 620321 |
| 12 | 854401 |
| 13 | 882889 |
| 14 | 909321 |
| 15 | 1094481 |
| 16 | 1163249 |
| 17 | 1305281 |
| 18 | 1697761 |
| 19 | 1855841 |
| 20 | 2074281 |
| 21 | 2294681 |
| 22 | 2423601 |
| 23 | 2568369 |
| 24 | 2576641 |
| 25 | 2619281 |
| 26 | 2665721 |
| 27 | 2696161 |
| 28 | 2751489 |
| 29 | 2997761 |
| 30 | 3151281 |