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 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 20 |
| 6 | 32 |
| 7 | 48 |
| 8 | 72 |
| 9 | 106 |
| 10 | 152 |
| 11 | 216 |
| 12 | 304 |
| 13 | 420 |
| 14 | 576 |
| 15 | 784 |
| 16 | 1056 |
| 17 | 1412 |
| 18 | 1876 |
| 19 | 2472 |
| 20 | 3240 |
| 21 | 4224 |
| 22 | 5472 |
| 23 | 7056 |
| 24 | 9056 |
| 25 | 11566 |
| 26 | 14712 |
| 27 | 18640 |
| 28 | 23520 |
| 29 | 29572 |
| 30 | 37056 |
| 31 | 46272 |
| 32 | 57600 |
| 33 | 71488 |
| 34 | 88456 |
| 35 | 109152 |
| 36 | 134332 |
| 37 | 164884 |
| 38 | 201888 |
| 39 | 246608 |
| 40 | 300528 |
| 41 | 365428 |
| 42 | 443392 |
| 43 | 536856 |