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 | 5 |
| 5 | 8 |
| 6 | 13 |
| 7 | 21 |
| 8 | 34 |
| 9 | 149 |
| 10 | 274 |
| 11 | 504 |
| 12 | 927 |
| 13 | 1705 |
| 14 | 3136 |
| 15 | 5768 |
| 16 | 10609 |
| 17 | 19513 |
| 18 | 35890 |
| 19 | 66012 |
| 20 | 121415 |
| 21 | 223317 |
| 22 | 410744 |
| 23 | 755476 |
| 24 | 1389537 |
| 25 | 4586976 |
| 26 | 8662591 |
| 27 | 16359466 |
| 28 | 30895160 |
| 29 | 58346092 |
| 30 | 110187694 |
| 31 | 208091537 |
| 32 | 392984789 |
| 33 | 742159180 |
| 34 | 1401581598 |
| 35 | 2646913261 |
| 36 | 7359931330 |
| 37 | 14066178853 |