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 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 19 |
| 6 | 21 |
| 7 | 31 |
| 8 | 50 |
| 9 | 55 |
| 10 | 151 |
| 11 | 167 |
| 12 | 287 |
| 13 | 542 |
| 14 | 603 |
| 15 | 926 |
| 16 | 1046 |
| 17 | 2066 |
| 18 | 2139 |
| 19 | 2651 |
| 20 | 2787 |
| 21 | 5756 |
| 22 | 6028 |
| 23 | 6925 |
| 24 | 10135 |
| 25 | 13037 |
| 26 | 36476 |
| 27 | 74234 |
| 28 | 119295 |