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 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 11 |
| 5 | 16 |
| 6 | 23 |
| 7 | 32 |
| 8 | 46 |
| 9 | 62 |
| 10 | 83 |
| 11 | 114 |
| 12 | 158 |
| 13 | 212 |
| 14 | 276 |
| 15 | 351 |
| 16 | 442 |
| 17 | 562 |
| 18 | 726 |
| 19 | 933 |
| 20 | 1191 |
| 21 | 1498 |
| 22 | 1876 |