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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 13 |
| 8 | 21 |
| 9 | 34 |
| 10 | 55 |
| 11 | 144 |
| 12 | 233 |
| 13 | 987 |
| 14 | 4181 |
| 15 | 6765 |
| 16 | 17711 |
| 17 | 832040 |
| 18 | 3524578 |
| 19 | 1836311903 |
| 20 | 2971215073 |
| 21 | 225851433717 |
| 22 | 259695496911122585 |
| 23 | 3928413764606871165730 |
| 24 | 26925748508234281076009 |
| 25 | 9969216677189303386214405760200 |
| 26 | 638817435613190341905763972389505493 |