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 | 20 |
| 2 | 21 |
| 3 | 41 |
| 4 | 62 |
| 5 | 103 |
| 6 | 165 |
| 7 | 268 |
| 8 | 433 |
| 9 | 701 |
| 10 | 1134 |
| 11 | 1835 |
| 12 | 2969 |
| 13 | 4804 |
| 14 | 7773 |
| 15 | 12577 |
| 16 | 20350 |
| 17 | 32927 |
| 18 | 53277 |
| 19 | 86204 |
| 20 | 139481 |
| 21 | 225685 |
| 22 | 365166 |
| 23 | 590851 |
| 24 | 956017 |
| 25 | 1546868 |
| 26 | 2502885 |
| 27 | 4049753 |
| 28 | 6552638 |
| 29 | 10602391 |
| 30 | 17155029 |
| 31 | 27757420 |
| 32 | 44912449 |
| 33 | 72669869 |
| 34 | 117582318 |
| 35 | 190252187 |