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 | 1 |
| 2 | 1 |
| 3 | 101 |
| 4 | 1 |
| 5 | 102 |
| 6 | 10201 |
| 7 | 1 |
| 8 | 103 |
| 9 | 10303 |
| 10 | 1030301 |
| 11 | 1 |
| 12 | 104 |
| 13 | 10406 |
| 14 | 1040604 |
| 15 | 104060401 |
| 16 | 1 |
| 17 | 105 |
| 18 | 10510 |
| 19 | 1051010 |
| 20 | 105101005 |
| 21 | 10510100501 |
| 22 | 1 |
| 23 | 106 |
| 24 | 10615 |
| 25 | 1061520 |
| 26 | 106152015 |
| 27 | 10615201506 |
| 28 | 1061520150601 |