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 | 12345678910 |
| 2 | 234567891011 |
| 3 | 3456789101112 |
| 4 | 45678910111213 |
| 5 | 567891011121314 |
| 6 | 6789101112131415 |
| 7 | 78910111213141516 |
| 8 | 891011121314151617 |
| 9 | 9101112131415161718 |
| 10 | 10111213141516171819 |
| 11 | 11121314151617181920 |
| 12 | 12131415161718192021 |
| 13 | 13141516171819202122 |
| 14 | 14151617181920212223 |