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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 13 |
| 9 | 20 |
| 10 | 35 |
| 11 | 55 |
| 12 | 96 |
| 13 | 156 |
| 14 | 267 |
| 15 | 438 |
| 16 | 747 |
| 17 | 1239 |
| 18 | 2099 |
| 19 | 3498 |
| 20 | 5912 |
| 21 | 9890 |
| 22 | 16677 |
| 23 | 27951 |
| 24 | 47084 |
| 25 | 79019 |
| 26 | 133003 |
| 27 | 223373 |
| 28 | 375824 |
| 29 | 631477 |
| 30 | 1062160 |
| 31 | 1785159 |
| 32 | 3002227 |
| 33 | 5046641 |
| 34 | 8486453 |
| 35 | 14266795 |
| 36 | 23989770 |
| 37 | 40332184 |
| 38 | 67816640 |
| 39 | 114018876 |
| 40 | 191713441 |
| 41 | 322330987 |
| 42 | 541966582 |