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) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 93 |
| 3 | 925 |
| 4 | 9240 |
| 5 | 92395 |
| 6 | 923939 |
| 7 | 9239385 |
| 8 | 92393839 |
| 9 | 923938406 |
| 10 | 9239384029 |
| 11 | 92393840300 |
| 12 | 923938402926 |
| 13 | 9239384029211 |
| 14 | 92393840292169 |
| 15 | 923938402921591 |
| 16 | 9239384029215891 |
| 17 | 92393840292159004 |
| 18 | 923938402921590127 |
| 19 | 9239384029215901651 |
| 20 | 92393840292159016603 |