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 | 777 |
| 2 | 1777 |
| 3 | 2777 |
| 4 | 3777 |
| 5 | 4777 |
| 6 | 5777 |
| 7 | 6777 |
| 8 | 7077 |
| 9 | 7177 |
| 10 | 7277 |
| 11 | 7377 |
| 12 | 7477 |
| 13 | 7577 |
| 14 | 7677 |
| 15 | 7707 |
| 16 | 7717 |
| 17 | 7727 |
| 18 | 7737 |
| 19 | 7747 |
| 20 | 7757 |
| 21 | 7767 |
| 22 | 7770 |
| 23 | 7771 |
| 24 | 7772 |
| 25 | 7773 |
| 26 | 7774 |
| 27 | 7775 |
| 28 | 7776 |
| 29 | 7778 |
| 30 | 7779 |
| 31 | 7787 |
| 32 | 7797 |
| 33 | 7877 |
| 34 | 7977 |
| 35 | 8777 |
| 36 | 9777 |
| 37 | 10777 |