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 | 1001 |
| 2 | 2002 |
| 3 | 3003 |
| 4 | 4004 |
| 5 | 5005 |
| 6 | 6006 |
| 7 | 7007 |
| 8 | 8008 |
| 9 | 9009 |
| 10 | 10010 |
| 11 | 11011 |
| 12 | 12012 |
| 13 | 13013 |
| 14 | 14014 |
| 15 | 15015 |
| 16 | 16016 |
| 17 | 17017 |
| 18 | 18018 |
| 19 | 19019 |
| 20 | 20020 |
| 21 | 21021 |
| 22 | 22022 |
| 23 | 23023 |
| 24 | 24024 |
| 25 | 25025 |
| 26 | 26026 |
| 27 | 27027 |
| 28 | 28028 |
| 29 | 29029 |
| 30 | 30030 |
| 31 | 31031 |
| 32 | 32032 |
| 33 | 33033 |
| 34 | 34034 |
| 35 | 35035 |
| 36 | 36036 |
| 37 | 37037 |
| 38 | 38038 |