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 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 13 |
| 10 | 22 |
| 11 | 36 |
| 12 | 58 |
| 13 | 103 |
| 14 | 177 |
| 15 | 307 |
| 16 | 535 |
| 17 | 949 |
| 18 | 1645 |
| 19 | 2936 |
| 20 | 5207 |
| 21 | 9330 |
| 22 | 16613 |
| 23 | 29921 |
| 24 | 53588 |
| 25 | 96808 |
| 26 | 174443 |
| 27 | 316267 |
| 28 | 572092 |
| 29 | 1040596 |
| 30 | 1888505 |
| 31 | 3441755 |
| 32 | 6268500 |
| 33 | 11449522 |
| 34 | 20902152 |
| 35 | 38256759 |
| 36 | 70004696 |
| 37 | 128336318 |
| 38 | 235302612 |
| 39 | 432050796 |
| 40 | 793513690 |
| 41 | 1459062947 |
| 42 | 2683714350 |