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 | 3 |
| 3 | 5 |
| 4 | 12 |
| 5 | 20 |
| 6 | 43 |
| 7 | 73 |
| 8 | 146 |
| 9 | 250 |
| 10 | 475 |
| 11 | 813 |
| 12 | 1499 |
| 13 | 2555 |
| 14 | 4592 |
| 15 | 7800 |
| 16 | 13761 |
| 17 | 23253 |
| 18 | 40421 |
| 19 | 67963 |
| 20 | 116723 |
| 21 | 195291 |
| 22 | 332026 |
| 23 | 552882 |
| 24 | 932023 |
| 25 | 1544943 |
| 26 | 2585243 |
| 27 | 4267081 |
| 28 | 7094593 |
| 29 | 11662769 |
| 30 | 19281018 |
| 31 | 31575874 |
| 32 | 51937608 |
| 33 | 84753396 |
| 34 | 138772038 |
| 35 | 225693778 |
| 36 | 368017636 |