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 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 6 |
| 9 | 6 |
| 10 | 9 |
| 11 | 9 |
| 12 | 18 |
| 13 | 18 |
| 14 | 18 |
| 15 | 45 |
| 16 | 36 |
| 17 | 45 |
| 18 | 99 |
| 19 | 81 |
| 20 | 108 |
| 21 | 216 |
| 22 | 189 |
| 23 | 243 |
| 24 | 486 |
| 25 | 432 |
| 26 | 540 |
| 27 | 1107 |
| 28 | 972 |
| 29 | 1215 |
| 30 | 2511 |
| 31 | 2187 |
| 32 | 2754 |
| 33 | 5670 |
| 34 | 4941 |
| 35 | 6237 |
| 36 | 12798 |
| 37 | 11178 |
| 38 | 14094 |
| 39 | 28917 |
| 40 | 25272 |
| 41 | 31833 |
| 42 | 65367 |
| 43 | 57105 |
| 44 | 71928 |
| 45 | 147744 |
| 46 | 129033 |
| 47 | 162567 |