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 | 67 |
| 2 | 677 |
| 3 | 769 |
| 4 | 967 |
| 5 | 6679 |
| 6 | 6689 |
| 7 | 6779 |
| 8 | 6869 |
| 9 | 6899 |
| 10 | 6967 |
| 11 | 6977 |
| 12 | 6997 |
| 13 | 7669 |
| 14 | 7687 |
| 15 | 7699 |
| 16 | 7867 |
| 17 | 8669 |
| 18 | 8677 |
| 19 | 8689 |
| 20 | 8699 |
| 21 | 8867 |
| 22 | 8969 |
| 23 | 9677 |
| 24 | 9679 |
| 25 | 9689 |
| 26 | 9697 |
| 27 | 9767 |
| 28 | 9769 |
| 29 | 9967 |
| 30 | 66697 |
| 31 | 66797 |
| 32 | 66877 |
| 33 | 66889 |
| 34 | 66977 |
| 35 | 67679 |
| 36 | 67699 |
| 37 | 67777 |
| 38 | 67789 |
| 39 | 67867 |
| 40 | 67967 |