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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 14 |
| 8 | 24 |
| 9 | 40 |
| 10 | 67 |
| 11 | 112 |
| 12 | 186 |
| 13 | 312 |
| 14 | 520 |
| 15 | 868 |
| 16 | 1449 |
| 17 | 2417 |
| 18 | 4034 |
| 19 | 6730 |
| 20 | 11229 |
| 21 | 18735 |
| 22 | 31254 |
| 23 | 52143 |
| 24 | 86989 |
| 25 | 145119 |
| 26 | 242096 |
| 27 | 403871 |
| 28 | 673751 |
| 29 | 1123964 |
| 30 | 1875014 |
| 31 | 3127926 |
| 32 | 5218034 |
| 33 | 8704769 |
| 34 | 14521354 |
| 35 | 24224601 |
| 36 | 40411595 |
| 37 | 67414781 |
| 38 | 112461579 |
| 39 | 187608762 |