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 | 6 |
| 2 | 78 |
| 3 | 946 |
| 4 | 8778 |
| 5 | 58996 |
| 6 | 998991 |
| 7 | 9979278 |
| 8 | 98989485 |
| 9 | 886899786 |
| 10 | 9998888991 |
| 11 | 89996788896 |
| 12 | 999998497578 |
| 13 | 9869988988965 |
| 14 | 99989985868878 |
| 15 | 988895779999896 |
| 16 | 9999678588989986 |
| 17 | 99889886986899778 |
| 18 | 999699998689998991 |