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 | 0 |
| 3 | -1 |
| 4 | -1 |
| 5 | -2 |
| 6 | -3 |
| 7 | -5 |
| 8 | -8 |
| 9 | -13 |
| 10 | -21 |
| 11 | -34 |
| 12 | -55 |
| 13 | -89 |
| 14 | -144 |
| 15 | -233 |
| 16 | -377 |
| 17 | -610 |
| 18 | -987 |
| 19 | -1597 |
| 20 | -2584 |
| 21 | -4181 |
| 22 | -6765 |
| 23 | -10946 |
| 24 | -17711 |
| 25 | -28657 |
| 26 | -46368 |
| 27 | -75025 |
| 28 | -121393 |
| 29 | -196418 |
| 30 | -317811 |
| 31 | -514229 |
| 32 | -832040 |
| 33 | -1346269 |
| 34 | -2178309 |
| 35 | -3524578 |
| 36 | -5702887 |