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 | 29 |
| 2 | 109 |
| 3 | 149 |
| 4 | 281 |
| 5 | 389 |
| 6 | 401 |
| 7 | 421 |
| 8 | 449 |
| 9 | 541 |
| 10 | 569 |
| 11 | 641 |
| 12 | 701 |
| 13 | 709 |
| 14 | 809 |
| 15 | 821 |
| 16 | 1009 |
| 17 | 1061 |
| 18 | 1129 |
| 19 | 1201 |
| 20 | 1229 |
| 21 | 1289 |
| 22 | 1381 |
| 23 | 1409 |
| 24 | 1429 |
| 25 | 1481 |
| 26 | 1549 |
| 27 | 1621 |
| 28 | 1709 |
| 29 | 1789 |
| 30 | 1801 |
| 31 | 1901 |
| 32 | 2069 |
| 33 | 2081 |
| 34 | 2129 |
| 35 | 2221 |
| 36 | 2269 |
| 37 | 2381 |
| 38 | 2389 |
| 39 | 2521 |
| 40 | 2549 |
| 41 | 2689 |
| 42 | 2741 |
| 43 | 2801 |
| 44 | 2909 |
| 45 | 2969 |