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 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 12 |
| 8 | 17 |
| 9 | 34 |
| 10 | 55 |
| 11 | 98 |
| 12 | 161 |
| 13 | 288 |
| 14 | 448 |
| 15 | 811 |
| 16 | 1265 |
| 17 | 2145 |
| 18 | 3425 |
| 19 | 5860 |
| 20 | 9305 |
| 21 | 15384 |
| 22 | 24690 |
| 23 | 40445 |
| 24 | 64715 |