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 | 443 |
| 3 | 643 |
| 4 | 743 |
| 5 | 1543 |
| 6 | 2143 |
| 7 | 2243 |
| 8 | 2543 |
| 9 | 2843 |
| 10 | 3343 |
| 11 | 3643 |
| 12 | 3943 |
| 13 | 4243 |
| 14 | 4643 |
| 15 | 4943 |
| 16 | 5443 |
| 17 | 5743 |
| 18 | 5843 |
| 19 | 6043 |
| 20 | 6143 |
| 21 | 6343 |
| 22 | 7043 |
| 23 | 7243 |
| 24 | 7643 |
| 25 | 8243 |
| 26 | 8443 |
| 27 | 8543 |
| 28 | 9043 |
| 29 | 9343 |
| 30 | 9643 |
| 31 | 9743 |
| 32 | 10243 |
| 33 | 10343 |
| 34 | 11243 |
| 35 | 11443 |
| 36 | 11743 |
| 37 | 12043 |
| 38 | 12143 |
| 39 | 12343 |
| 40 | 12743 |
| 41 | 13043 |
| 42 | 14143 |