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) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 12 |
| 3 | 24 |
| 4 | 42 |
| 5 | 64 |
| 6 | 92 |
| 7 | 124 |
| 8 | 162 |
| 9 | 204 |
| 10 | 252 |
| 11 | 304 |
| 12 | 362 |
| 13 | 424 |
| 14 | 492 |
| 15 | 564 |
| 16 | 642 |
| 17 | 724 |
| 18 | 812 |
| 19 | 904 |
| 20 | 1002 |
| 21 | 1104 |
| 22 | 1212 |
| 23 | 1324 |
| 24 | 1442 |
| 25 | 1564 |
| 26 | 1692 |
| 27 | 1824 |
| 28 | 1962 |
| 29 | 2104 |
| 30 | 2252 |
| 31 | 2404 |
| 32 | 2562 |
| 33 | 2724 |
| 34 | 2892 |
| 35 | 3064 |
| 36 | 3242 |
| 37 | 3424 |
| 38 | 3612 |
| 39 | 3804 |
| 40 | 4002 |
| 41 | 4204 |
| 42 | 4412 |
| 43 | 4624 |
| 44 | 4842 |
| 45 | 5064 |
| 46 | 5292 |
| 47 | 5524 |