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 | 31995179 |
| 3 | 164785447 |
| 4 | 316880647 |
| 5 | 339916651 |
| 6 | 360930071 |
| 7 | 378400069 |
| 8 | 417340783 |
| 9 | 520750033 |
| 10 | 658458037 |
| 11 | 755787181 |
| 12 | 786882449 |
| 13 | 848389303 |
| 14 | 873370961 |
| 15 | 899228951 |
| 16 | 945287471 |
| 17 | 951718213 |
| 18 | 1007089619 |
| 19 | 1011319249 |
| 20 | 1029754933 |
| 21 | 1322303371 |
| 22 | 1396138687 |
| 23 | 1469853361 |
| 24 | 1513858729 |
| 25 | 1572717287 |
| 26 | 1642086109 |
| 27 | 1705284811 |
| 28 | 1829330071 |