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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 17 |
| 10 | 37 |
| 11 | 71 |
| 12 | 179 |
| 13 | 366 |
| 14 | 919 |
| 15 | 2069 |
| 16 | 5027 |
| 17 | 12053 |
| 18 | 29098 |
| 19 | 71846 |
| 20 | 175485 |
| 21 | 437438 |
| 22 | 1087122 |
| 23 | 2723326 |
| 24 | 6860525 |
| 25 | 17301606 |
| 26 | 43957596 |
| 27 | 111748571 |
| 28 | 285591775 |
| 29 | 731432424 |
| 30 | 1879009622 |
| 31 | 4841510973 |
| 32 | 12500324496 |
| 33 | 32366232373 |
| 34 | 83962263464 |
| 35 | 218309244314 |