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 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 10 |
| 8 | 21 |
| 9 | 34 |
| 10 | 49 |
| 11 | 66 |
| 12 | 85 |
| 13 | 106 |
| 14 | 256 |
| 15 | 535 |
| 16 | 985 |
| 17 | 1654 |
| 18 | 2596 |
| 19 | 3871 |
| 20 | 5545 |
| 21 | 9391 |
| 22 | 16956 |
| 23 | 30589 |
| 24 | 53481 |
| 25 | 89851 |
| 26 | 145152 |
| 27 | 226297 |
| 28 | 364656 |
| 29 | 610062 |
| 30 | 1045297 |
| 31 | 1799392 |
| 32 | 3065145 |
| 33 | 5121255 |
| 34 | 8359876 |
| 35 | 13624960 |
| 36 | 22431292 |
| 37 | 37434945 |
| 38 | 63098713 |
| 39 | 106641142 |
| 40 | 179356873 |