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 | 41 |
| 3 | 71 |
| 4 | 169 |
| 5 | 209 |
| 6 | 239 |
| 7 | 281 |
| 8 | 391 |
| 9 | 449 |
| 10 | 559 |
| 11 | 601 |
| 12 | 631 |
| 13 | 671 |
| 14 | 769 |
| 15 | 799 |
| 16 | 839 |
| 17 | 841 |
| 18 | 881 |
| 19 | 911 |
| 20 | 1009 |
| 21 | 1049 |
| 22 | 1079 |
| 23 | 1121 |
| 24 | 1231 |
| 25 | 1289 |
| 26 | 1399 |
| 27 | 1441 |
| 28 | 1471 |
| 29 | 1511 |
| 30 | 1609 |
| 31 | 1639 |
| 32 | 1679 |
| 33 | 1681 |
| 34 | 1721 |
| 35 | 1751 |
| 36 | 1849 |
| 37 | 1889 |
| 38 | 1919 |
| 39 | 1961 |
| 40 | 2071 |
| 41 | 2129 |
| 42 | 2239 |
| 43 | 2281 |
| 44 | 2311 |
| 45 | 2351 |
| 46 | 2449 |