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 | 5 |
| 3 | 15 |
| 4 | 11 |
| 5 | 65 |
| 6 | 21 |
| 7 | 133 |
| 8 | 34 |
| 9 | 135 |
| 10 | 75 |
| 11 | 561 |
| 12 | 63 |
| 13 | 949 |
| 14 | 192 |
| 15 | 975 |
| 16 | 129 |
| 17 | 1921 |
| 18 | 165 |
| 19 | 3097 |
| 20 | 99 |
| 21 | 525 |
| 22 | 663 |
| 23 | 6095 |
| 24 | 231 |
| 25 | 1625 |
| 26 | 741 |
| 27 | 1215 |
| 28 | 576 |
| 29 | 8149 |
| 30 | 525 |
| 31 | 12121 |
| 32 | 513 |
| 33 | 8415 |
| 34 | 2091 |
| 35 | 8645 |
| 36 | 495 |
| 37 | 21349 |
| 38 | 3081 |
| 39 | 2535 |
| 40 | 363 |
| 41 | 34481 |
| 42 | 315 |
| 43 | 32551 |
| 44 | 1989 |
| 45 | 8775 |
| 46 | 5316 |
| 47 | 51935 |
| 48 | 903 |
| 49 | 6517 |
| 50 | 1875 |
| 51 | 28815 |
| 52 | 1062 |