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 | 6 |
| 2 | 12 |
| 3 | 30 |
| 4 | 56 |
| 5 | 132 |
| 6 | 182 |
| 7 | 306 |
| 8 | 380 |
| 9 | 552 |
| 10 | 870 |
| 11 | 992 |
| 12 | 1406 |
| 13 | 1722 |
| 14 | 1892 |
| 15 | 2256 |
| 16 | 2862 |
| 17 | 3540 |
| 18 | 3782 |
| 19 | 4556 |
| 20 | 5112 |
| 21 | 5402 |
| 22 | 6320 |
| 23 | 6972 |
| 24 | 8010 |
| 25 | 9506 |
| 26 | 10302 |
| 27 | 10712 |
| 28 | 11556 |
| 29 | 11990 |
| 30 | 12882 |
| 31 | 16256 |
| 32 | 17292 |
| 33 | 18906 |
| 34 | 19460 |
| 35 | 22350 |
| 36 | 22952 |
| 37 | 24806 |
| 38 | 26732 |
| 39 | 28056 |
| 40 | 30102 |