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 | 2 |
| 4 | 3 |
| 5 | 1 |
| 6 | 4 |
| 7 | 13 |
| 8 | 21 |
| 9 | 34 |
| 10 | 11 |
| 11 | 89 |
| 12 | 12 |
| 13 | 233 |
| 14 | 377 |
| 15 | 122 |
| 16 | 987 |
| 17 | 1597 |
| 18 | 1292 |
| 19 | 4181 |
| 20 | 1353 |
| 21 | 10946 |
| 22 | 17711 |
| 23 | 28657 |
| 24 | 1932 |
| 25 | 3001 |
| 26 | 121393 |
| 27 | 196418 |
| 28 | 317811 |
| 29 | 514229 |
| 30 | 83204 |
| 31 | 1346269 |
| 32 | 2178309 |
| 33 | 3524578 |
| 34 | 5702887 |
| 35 | 1845493 |
| 36 | 414732 |
| 37 | 24157817 |
| 38 | 39088169 |
| 39 | 63245986 |
| 40 | 20466831 |
| 41 | 165580141 |