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 | 6 |
| 3 | 8 |
| 4 | 10 |
| 5 | 18 |
| 6 | 26 |
| 7 | 30 |
| 8 | 74 |
| 9 | 142 |
| 10 | 203 |
| 11 | 398 |
| 12 | 651 |
| 13 | 792 |
| 14 | 1314 |
| 15 | 3487 |
| 16 | 5978 |
| 17 | 6240 |
| 18 | 7814 |
| 19 | 8054 |
| 20 | 8673 |
| 21 | 21436 |
| 22 | 23947 |
| 23 | 52985 |
| 24 | 91784 |
| 25 | 157537 |
| 26 | 164901 |