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 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 5 |
| 6 | 1 |
| 7 | 7 |
| 8 | 19 |
| 9 | 34 |
| 10 | 1 |
| 11 | 15 |
| 12 | 63 |
| 13 | 135 |
| 14 | 235 |
| 15 | 1 |
| 16 | 31 |
| 17 | 191 |
| 18 | 471 |
| 19 | 911 |
| 20 | 1556 |
| 21 | 1 |
| 22 | 63 |
| 23 | 543 |
| 24 | 1503 |
| 25 | 3183 |
| 26 | 5883 |
| 27 | 9969 |
| 28 | 1 |
| 29 | 127 |
| 30 | 1471 |
| 31 | 4495 |
| 32 | 10319 |
| 33 | 20483 |
| 34 | 37031 |
| 35 | 62602 |
| 36 | 1 |
| 37 | 255 |
| 38 | 3839 |
| 39 | 12799 |
| 40 | 31615 |
| 41 | 67007 |
| 42 | 128607 |
| 43 | 229743 |
| 44 | 388343 |
| 45 | 1 |
| 46 | 511 |
| 47 | 9727 |
| 48 | 35071 |
| 49 | 92671 |
| 50 | 208735 |
| 51 | 423583 |
| 52 | 796687 |
| 53 | 1412863 |
| 54 | 2389768 |
| 55 | 1 |