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 | 4 |
| 2 | 12 |
| 3 | 32 |
| 4 | 69 |
| 5 | 121 |
| 6 | 191 |
| 7 | 304 |
| 8 | 432 |
| 9 | 582 |
| 10 | 799 |
| 11 | 1042 |
| 12 | 1320 |
| 13 | 1661 |
| 14 | 2043 |
| 15 | 2457 |
| 16 | 3023 |
| 17 | 3575 |
| 18 | 4195 |
| 19 | 4920 |
| 20 | 5693 |
| 21 | 6465 |
| 22 | 7487 |
| 23 | 8502 |
| 24 | 9617 |
| 25 | 10833 |
| 26 | 12173 |
| 27 | 13526 |
| 28 | 15146 |
| 29 | 16693 |
| 30 | 18397 |
| 31 | 20286 |
| 32 | 22327 |
| 33 | 24201 |
| 34 | 26603 |
| 35 | 28841 |
| 36 | 31372 |
| 37 | 34025 |
| 38 | 36873 |
| 39 | 39583 |
| 40 | 42913 |
| 41 | 46029 |