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 | 28 |
| 2 | 3828 |
| 3 | 48828 |
| 4 | 828828 |
| 5 | 55888878 |
| 6 | 3288888856 |
| 7 | 78888885078 |
| 8 | 388884828828 |
| 9 | 13889888887878 |
| 10 | 28888888883865 |
| 11 | 8980885988888880 |
| 12 | 88838888988888990 |
| 13 | 983888888888812878 |
| 14 | 8838888986888887878 |
| 15 | 894885888888885888855 |
| 16 | 78888888822845888188878 |
| 17 | 1888886085781088888888878 |
| 18 | 18788848888888828885888126 |