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 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 12 |
| 5 | 22 |
| 6 | 38 |
| 7 | 64 |
| 8 | 106 |
| 9 | 174 |
| 10 | 284 |
| 11 | 462 |
| 12 | 750 |
| 13 | 1216 |
| 14 | 1970 |
| 15 | 3190 |
| 16 | 5164 |
| 17 | 8358 |
| 18 | 13526 |
| 19 | 21888 |
| 20 | 35418 |
| 21 | 57310 |
| 22 | 92732 |
| 23 | 150046 |
| 24 | 242782 |
| 25 | 392832 |
| 26 | 635618 |