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 | 78 |
| 2 | 111 |
| 3 | 117 |
| 4 | 156 |
| 5 | 222 |
| 6 | 288 |
| 7 | 444 |
| 8 | 888 |
| 9 | 1223 |
| 10 | 1677 |
| 11 | 3489 |
| 12 | 4444 |
| 13 | 8888 |
| 14 | 11119 |
| 15 | 11127 |
| 16 | 11667 |
| 17 | 11999 |
| 18 | 12333 |
| 19 | 16777 |
| 20 | 23388 |
| 21 | 27888 |
| 22 | 34589 |
| 23 | 44556 |
| 24 | 111177 |
| 25 | 112333 |
| 26 | 228888 |
| 27 | 444455 |
| 28 | 889999 |
| 29 | 1111113 |
| 30 | 1177777 |
| 31 | 1788899 |
| 32 | 2222244 |
| 33 | 4446666 |
| 34 | 4558889 |
| 35 | 11144445 |
| 36 | 13444447 |
| 37 | 55556688 |