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 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 15 |
| 6 | 27 |
| 7 | 48 |
| 8 | 91 |
| 9 | 169 |
| 10 | 325 |
| 11 | 618 |
| 12 | 1201 |
| 13 | 2319 |
| 14 | 4527 |
| 15 | 8804 |
| 16 | 17227 |
| 17 | 33649 |
| 18 | 65929 |
| 19 | 129046 |
| 20 | 252997 |
| 21 | 495779 |
| 22 | 972339 |
| 23 | 1906520 |
| 24 | 3739775 |
| 25 | 7335029 |
| 26 | 14389629 |
| 27 | 28227578 |
| 28 | 55378713 |
| 29 | 108642983 |
| 30 | 213148903 |
| 31 | 418176700 |
| 32 | 820441299 |
| 33 | 1609656953 |
| 34 | 3158089841 |
| 35 | 6196050718 |