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 | 5 |
| 4 | 14 |
| 5 | 44 |
| 6 | 64 |
| 7 | 103 |
| 8 | 282 |
| 9 | 643 |
| 10 | 670 |
| 11 | 818 |
| 12 | 1092 |
| 13 | 1775 |
| 14 | 1856 |
| 15 | 4080 |
| 16 | 4178 |
| 17 | 4498 |
| 18 | 6815 |
| 19 | 8293 |
| 20 | 10112 |
| 21 | 12023 |
| 22 | 13643 |