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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 14 |
| 7 | 23 |
| 8 | 41 |
| 9 | 69 |
| 10 | 125 |
| 11 | 214 |
| 12 | 393 |
| 13 | 682 |
| 14 | 1267 |
| 15 | 2223 |
| 16 | 4171 |
| 17 | 7385 |
| 18 | 13976 |
| 19 | 24935 |
| 20 | 47544 |
| 21 | 85377 |
| 22 | 163863 |
| 23 | 295900 |
| 24 | 571216 |
| 25 | 1036471 |
| 26 | 2011130 |
| 27 | 3664548 |
| 28 | 7143068 |
| 29 | 13063637 |
| 30 | 25568085 |
| 31 | 46912433 |
| 32 | 92152906 |
| 33 | 169570215 |
| 34 | 334194418 |
| 35 | 616530391 |
| 36 | 1218694221 |
| 37 | 2253451666 |
| 38 | 4466410838 |