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) |
|---|---|
| 0 | 2 |
| 1 | 4 |
| 2 | 9 |
| 3 | 17 |
| 4 | 25 |
| 5 | 42 |
| 6 | 76 |
| 7 | 143 |
| 8 | 273 |
| 9 | 533 |
| 10 | 1052 |
| 11 | 2072 |
| 12 | 4122 |
| 13 | 8221 |
| 14 | 16417 |
| 15 | 32799 |