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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 11 |
| 8 | 19 |
| 9 | 29 |
| 10 | 48 |
| 11 | 75 |
| 12 | 132 |
| 13 | 213 |
| 14 | 369 |
| 15 | 627 |
| 16 | 1083 |
| 17 | 1857 |
| 18 | 3244 |
| 19 | 5619 |
| 20 | 9844 |
| 21 | 17205 |
| 22 | 30229 |
| 23 | 53115 |
| 24 | 93701 |
| 25 | 165313 |
| 26 | 292464 |
| 27 | 517831 |
| 28 | 918578 |
| 29 | 1630933 |
| 30 | 2900109 |
| 31 | 5161443 |
| 32 | 9197251 |
| 33 | 16402841 |
| 34 | 29283026 |
| 35 | 52319379 |
| 36 | 93558968 |
| 37 | 167427845 |
| 38 | 299846737 |
| 39 | 537358107 |
| 40 | 963651447 |
| 41 | 1729192433 |