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 | 6999 |
| 2 | 15699 |
| 3 | 11355 |
| 4 | 66666 |
| 5 | 123333 |
| 6 | 445566 |
| 7 | 111111 |
| 8 | 222222 |
| 9 | 444444 |
| 10 | 888888 |
| 11 | 1677777 |
| 12 | 3455589 |
| 13 | 11112333 |
| 14 | 33444444 |
| 15 | 77778888 |
| 16 | 156666666 |
| 17 | 123333378 |
| 18 | 666669999 |
| 19 | 1356666666 |
| 20 | 123333789 |
| 21 | 11111667 |
| 22 | 22777788 |
| 23 | 11115555 |
| 24 | 66666666 |
| 25 | 123333333 |
| 26 | 445566666 |
| 27 | 111122223 |