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 | 73 |
| 2 | 283 |
| 3 | 1123 |
| 4 | 1543 |
| 5 | 1753 |
| 6 | 2383 |
| 7 | 2593 |
| 8 | 2803 |
| 9 | 3433 |
| 10 | 3643 |
| 11 | 3853 |
| 12 | 4273 |
| 13 | 4483 |
| 14 | 4903 |
| 15 | 5113 |
| 16 | 5323 |
| 17 | 5743 |
| 18 | 5953 |
| 19 | 6163 |
| 20 | 6373 |
| 21 | 6793 |
| 22 | 7213 |
| 23 | 8053 |
| 24 | 8263 |
| 25 | 8893 |
| 26 | 9103 |
| 27 | 9733 |
| 28 | 10993 |
| 29 | 11833 |
| 30 | 12043 |
| 31 | 12253 |
| 32 | 13093 |
| 33 | 13513 |
| 34 | 13723 |
| 35 | 13933 |
| 36 | 14143 |
| 37 | 14563 |
| 38 | 14983 |
| 39 | 15193 |