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 | 43 |
| 2 | 463 |
| 3 | 673 |
| 4 | 883 |
| 5 | 1093 |
| 6 | 1303 |
| 7 | 1723 |
| 8 | 1933 |
| 9 | 2143 |
| 10 | 3613 |
| 11 | 3823 |
| 12 | 4243 |
| 13 | 4663 |
| 14 | 5503 |
| 15 | 5923 |
| 16 | 6133 |
| 17 | 6343 |
| 18 | 6553 |
| 19 | 6763 |
| 20 | 7393 |
| 21 | 7603 |
| 22 | 8233 |
| 23 | 8443 |
| 24 | 8863 |
| 25 | 9283 |
| 26 | 10333 |
| 27 | 10753 |
| 28 | 11173 |
| 29 | 11383 |
| 30 | 11593 |
| 31 | 12433 |
| 32 | 12853 |
| 33 | 13063 |
| 34 | 13693 |
| 35 | 13903 |
| 36 | 14323 |
| 37 | 14533 |
| 38 | 15373 |
| 39 | 15583 |