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 | 81 |
| 2 | 101 |
| 3 | 271 |
| 4 | 303 |
| 5 | 361 |
| 6 | 405 |
| 7 | 505 |
| 8 | 509 |
| 9 | 567 |
| 10 | 653 |
| 11 | 707 |
| 12 | 743 |
| 13 | 813 |
| 14 | 839 |
| 15 | 909 |
| 16 | 1033 |
| 17 | 1083 |
| 18 | 1187 |
| 19 | 1355 |
| 20 | 1447 |
| 21 | 1515 |
| 22 | 1527 |
| 23 | 1539 |
| 24 | 1753 |
| 25 | 1805 |
| 26 | 1897 |
| 27 | 1919 |
| 28 | 1959 |
| 29 | 2025 |
| 30 | 2121 |
| 31 | 2229 |
| 32 | 2381 |
| 33 | 2439 |
| 34 | 2511 |
| 35 | 2517 |
| 36 | 2525 |
| 37 | 2527 |
| 38 | 2545 |
| 39 | 2579 |
| 40 | 2687 |
| 41 | 2727 |
| 42 | 2749 |
| 43 | 2753 |
| 44 | 2777 |
| 45 | 2803 |
| 46 | 2835 |