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 | 3001 |
| 2 | 4001 |
| 3 | 7001 |
| 4 | 9001 |
| 5 | 13001 |
| 6 | 16001 |
| 7 | 19001 |
| 8 | 21001 |
| 9 | 24001 |
| 10 | 28001 |
| 11 | 51001 |
| 12 | 54001 |
| 13 | 55001 |
| 14 | 61001 |
| 15 | 69001 |
| 16 | 70001 |
| 17 | 76001 |
| 18 | 81001 |
| 19 | 88001 |
| 20 | 90001 |
| 21 | 93001 |
| 22 | 96001 |
| 23 | 97001 |
| 24 | 102001 |
| 25 | 103001 |
| 26 | 109001 |
| 27 | 114001 |
| 28 | 115001 |
| 29 | 121001 |
| 30 | 123001 |
| 31 | 124001 |
| 32 | 126001 |
| 33 | 129001 |