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 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 9 |
| 6 | 12 |
| 7 | 15 |
| 8 | 18 |
| 9 | 24 |
| 10 | 28 |
| 11 | 36 |
| 12 | 45 |
| 13 | 52 |
| 14 | 66 |
| 15 | 72 |
| 16 | 91 |
| 17 | 121 |
| 18 | 153 |
| 19 | 205 |
| 20 | 276 |
| 21 | 286 |
| 22 | 364 |
| 23 | 366 |
| 24 | 369 |
| 25 | 396 |
| 26 | 435 |
| 27 | 511 |
| 28 | 532 |
| 29 | 561 |
| 30 | 616 |
| 31 | 671 |
| 32 | 697 |
| 33 | 703 |
| 34 | 726 |
| 35 | 804 |
| 36 | 946 |
| 37 | 949 |
| 38 | 1035 |
| 39 | 1036 |
| 40 | 1105 |
| 41 | 1128 |
| 42 | 1288 |
| 43 | 1387 |
| 44 | 1541 |
| 45 | 1729 |
| 46 | 1737 |
| 47 | 1845 |
| 48 | 1854 |
| 49 | 1891 |
| 50 | 2196 |
| 51 | 2465 |
| 52 | 2501 |
| 53 | 2556 |
| 54 | 2665 |