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 | 7 |
| 2 | 67 |
| 3 | 79 |
| 4 | 97 |
| 5 | 677 |
| 6 | 769 |
| 7 | 797 |
| 8 | 967 |
| 9 | 977 |
| 10 | 997 |
| 11 | 6679 |
| 12 | 6779 |
| 13 | 6967 |
| 14 | 6977 |
| 15 | 6997 |
| 16 | 7669 |
| 17 | 7699 |
| 18 | 9677 |
| 19 | 9679 |
| 20 | 9697 |
| 21 | 9767 |
| 22 | 9769 |
| 23 | 9967 |
| 24 | 66697 |
| 25 | 66797 |
| 26 | 66977 |
| 27 | 67679 |
| 28 | 67699 |
| 29 | 67777 |
| 30 | 67967 |
| 31 | 67979 |
| 32 | 69677 |
| 33 | 69697 |
| 34 | 69767 |
| 35 | 69779 |
| 36 | 69997 |
| 37 | 76667 |
| 38 | 76679 |
| 39 | 76697 |
| 40 | 76777 |
| 41 | 77699 |
| 42 | 77797 |