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 | 0 |
| 3 | 3 |
| 4 | 0 |
| 5 | 0 |
| 6 | 6 |
| 7 | 142857 |
| 8 | 0 |
| 9 | 1 |
| 10 | 0 |
| 11 | 90 |
| 12 | 3 |
| 13 | 769230 |
| 14 | 714285 |
| 15 | 6 |
| 16 | 0 |
| 17 | 5882352941176470 |
| 18 | 5 |
| 19 | 526315789473684210 |
| 20 | 0 |
| 21 | 476190 |
| 22 | 45 |
| 23 | 4347826086956521739130 |
| 24 | 6 |
| 25 | 0 |
| 26 | 384615 |
| 27 | 370 |
| 28 | 571428 |
| 29 | 3448275862068965517241379310 |
| 30 | 3 |
| 31 | 322580645161290 |
| 32 | 0 |
| 33 | 30 |
| 34 | 2941176470588235 |
| 35 | 285714 |
| 36 | 7 |