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) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 19 |
| 7 | 41 |
| 8 | 73 |
| 9 | 139 |
| 10 | 257 |
| 11 | 461 |
| 12 | 827 |
| 13 | 1471 |
| 14 | 2591 |
| 15 | 4493 |
| 16 | 7793 |
| 17 | 13469 |
| 18 | 23159 |
| 19 | 39779 |
| 20 | 67931 |
| 21 | 115831 |
| 22 | 196687 |
| 23 | 333233 |
| 24 | 563987 |
| 25 | 951557 |
| 26 | 1603489 |
| 27 | 2696663 |
| 28 | 4528949 |
| 29 | 7594771 |
| 30 | 12717703 |
| 31 | 21275491 |
| 32 | 35548193 |
| 33 | 59328161 |
| 34 | 98921051 |
| 35 | 164781961 |
| 36 | 274253209 |
| 37 | 456074711 |