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) |
|---|---|
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 8 |
| 8 | 13 |
| 9 | 22 |
| 10 | 37 |
| 11 | 63 |
| 12 | 108 |
| 13 | 186 |
| 14 | 322 |
| 15 | 559 |
| 16 | 973 |
| 17 | 1697 |
| 18 | 2964 |
| 19 | 5183 |
| 20 | 9071 |
| 21 | 15886 |
| 22 | 27835 |
| 23 | 48790 |
| 24 | 85545 |
| 25 | 150021 |
| 26 | 263136 |
| 27 | 461596 |
| 28 | 809812 |
| 29 | 1420813 |
| 30 | 2492945 |
| 31 | 4374273 |
| 32 | 7675598 |
| 33 | 13468787 |
| 34 | 23634817 |
| 35 | 41474548 |
| 36 | 72780553 |
| 37 | 127718046 |
| 38 | 224125677 |
| 39 | 393308019 |
| 40 | 690200668 |