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 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 5 |
| 8 | 11 |
| 9 | 17 |
| 10 | 28 |
| 11 | 44 |
| 12 | 75 |
| 13 | 123 |
| 14 | 203 |
| 15 | 330 |
| 16 | 541 |
| 17 | 883 |
| 18 | 1444 |
| 19 | 2357 |
| 20 | 3848 |
| 21 | 6271 |
| 22 | 10214 |
| 23 | 16624 |
| 24 | 27051 |
| 25 | 43995 |
| 26 | 71523 |
| 27 | 116223 |
| 28 | 188790 |
| 29 | 306554 |
| 30 | 497624 |
| 31 | 807553 |
| 32 | 1310177 |
| 33 | 2125126 |
| 34 | 3446237 |
| 35 | 5587517 |
| 36 | 9057611 |
| 37 | 14680337 |
| 38 | 23789891 |
| 39 | 38546834 |
| 40 | 62449682 |
| 41 | 101163024 |