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 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 11 |
| 7 | 21 |
| 8 | 36 |
| 9 | 64 |
| 10 | 117 |
| 11 | 208 |
| 12 | 371 |
| 13 | 669 |
| 14 | 1197 |
| 15 | 2141 |
| 16 | 3844 |
| 17 | 6888 |
| 18 | 12336 |
| 19 | 22119 |
| 20 | 39644 |
| 21 | 71034 |
| 22 | 127323 |
| 23 | 228200 |
| 24 | 408955 |
| 25 | 732957 |
| 26 | 1313647 |
| 27 | 2354298 |
| 28 | 4219447 |
| 29 | 7562249 |
| 30 | 13553161 |
| 31 | 24290307 |
| 32 | 43533784 |
| 33 | 78022169 |
| 34 | 139833177 |
| 35 | 250612596 |
| 36 | 449153751 |
| 37 | 804984038 |