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 | 3 |
| 2 | 83 |
| 3 | 383 |
| 4 | 883 |
| 5 | 3083 |
| 6 | 3803 |
| 7 | 3833 |
| 8 | 8803 |
| 9 | 30803 |
| 10 | 33083 |
| 11 | 38083 |
| 12 | 38303 |
| 13 | 38333 |
| 14 | 38803 |
| 15 | 38833 |
| 16 | 80803 |
| 17 | 80833 |
| 18 | 83003 |
| 19 | 83383 |
| 20 | 83833 |
| 21 | 88003 |
| 22 | 88883 |
| 23 | 303803 |
| 24 | 308003 |
| 25 | 308303 |
| 26 | 308333 |
| 27 | 308383 |
| 28 | 330383 |
| 29 | 333383 |
| 30 | 333803 |
| 31 | 338033 |
| 32 | 338383 |
| 33 | 338803 |
| 34 | 380333 |
| 35 | 380383 |
| 36 | 380803 |
| 37 | 383083 |