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 | 6 |
| 5 | 9 |
| 6 | 16 |
| 7 | 29 |
| 8 | 46 |
| 9 | 82 |
| 10 | 145 |
| 11 | 237 |
| 12 | 421 |
| 13 | 737 |
| 14 | 1228 |
| 15 | 2171 |
| 16 | 3788 |
| 17 | 6388 |
| 18 | 11253 |
| 19 | 19617 |
| 20 | 33344 |
| 21 | 58597 |
| 22 | 102141 |
| 23 | 174571 |
| 24 | 306294 |
| 25 | 533976 |
| 26 | 916309 |
| 27 | 1605975 |
| 28 | 2800260 |
| 29 | 4820020 |
| 30 | 8441365 |
| 31 | 14721208 |
| 32 | 25399974 |
| 33 | 44458045 |
| 34 | 77542951 |