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 | 131 |
| 2 | 263 |
| 3 | 457 |
| 4 | 1039 |
| 5 | 1049 |
| 6 | 1091 |
| 7 | 1301 |
| 8 | 1361 |
| 9 | 1433 |
| 10 | 1571 |
| 11 | 1913 |
| 12 | 1933 |
| 13 | 2141 |
| 14 | 2221 |
| 15 | 2273 |
| 16 | 2441 |
| 17 | 2591 |
| 18 | 2663 |
| 19 | 2707 |
| 20 | 2719 |
| 21 | 2729 |
| 22 | 2803 |
| 23 | 3067 |
| 24 | 3137 |
| 25 | 3229 |
| 26 | 3433 |
| 27 | 3559 |
| 28 | 3631 |
| 29 | 4091 |
| 30 | 4153 |
| 31 | 4357 |
| 32 | 4397 |
| 33 | 4703 |
| 34 | 4723 |
| 35 | 4903 |
| 36 | 5009 |
| 37 | 5507 |
| 38 | 5701 |
| 39 | 5711 |
| 40 | 5741 |
| 41 | 5801 |
| 42 | 5843 |