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 | 1 |
| 2 | 10 |
| 3 | 1081 |
| 4 | 8001 |
| 5 | 10011 |
| 6 | 81810 |
| 7 | 108811 |
| 8 | 1188111 |
| 9 | 8018010 |
| 10 | 8801110 |
| 11 | 10888111 |
| 12 | 80118811 |
| 13 | 88000011 |
| 14 | 800180010 |
| 15 | 881811010 |
| 16 | 1088881111 |
| 17 | 10808101800 |
| 18 | 80001800010 |
| 19 | 81108010180 |
| 20 | 108888811111 |
| 21 | 810008010801 |
| 22 | 880818181011 |
| 23 | 888000000111 |
| 24 | 8000018000010 |
| 25 | 10888888111111 |