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 | 2 |
| 3 | 5 |
| 4 | 8 |
| 5 | 15 |
| 6 | 24 |
| 7 | 41 |
| 8 | 66 |
| 9 | 109 |
| 10 | 176 |
| 11 | 287 |
| 12 | 464 |
| 13 | 753 |
| 14 | 1218 |
| 15 | 1973 |
| 16 | 3192 |
| 17 | 5167 |
| 18 | 8360 |
| 19 | 13529 |
| 20 | 21890 |
| 21 | 35421 |
| 22 | 57312 |
| 23 | 92735 |
| 24 | 150048 |
| 25 | 242785 |
| 26 | 392834 |
| 27 | 635621 |
| 28 | 1028456 |
| 29 | 1664079 |
| 30 | 2692536 |
| 31 | 4356617 |
| 32 | 7049154 |
| 33 | 11405773 |
| 34 | 18454928 |
| 35 | 29860703 |
| 36 | 48315632 |
| 37 | 78176337 |
| 38 | 126491970 |
| 39 | 204668309 |
| 40 | 331160280 |
| 41 | 535828591 |
| 42 | 866988872 |