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 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 19 |
| 5 | 43 |
| 6 | 91 |
| 7 | 187 |
| 8 | 369 |
| 9 | 711 |
| 10 | 1335 |
| 11 | 2459 |
| 12 | 4442 |
| 13 | 7904 |
| 14 | 13851 |
| 15 | 23965 |
| 16 | 40958 |
| 17 | 69248 |
| 18 | 115872 |
| 19 | 192097 |
| 20 | 315652 |
| 21 | 514485 |
| 22 | 832112 |
| 23 | 1336214 |
| 24 | 2131099 |
| 25 | 3377178 |
| 26 | 5319290 |
| 27 | 8330147 |
| 28 | 12973662 |
| 29 | 20100411 |
| 30 | 30986772 |
| 31 | 47542096 |
| 32 | 72609729 |
| 33 | 110410791 |
| 34 | 167186826 |
| 35 | 252138816 |
| 36 | 378781852 |