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) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 10 |
| 8 | 1 |
| 9 | 35 |
| 10 | 1 |
| 11 | 91 |
| 12 | 1 |
| 13 | 210 |
| 14 | 280 |
| 15 | 1 |
| 16 | 456 |
| 17 | 2100 |
| 18 | 1 |
| 19 | 957 |
| 20 | 10395 |
| 21 | 1 |
| 22 | 1969 |
| 23 | 42735 |
| 24 | 15400 |
| 25 | 1 |
| 26 | 4004 |
| 27 | 158301 |
| 28 | 200200 |
| 29 | 1 |
| 30 | 8086 |
| 31 | 549549 |
| 32 | 1611610 |
| 33 | 1 |
| 34 | 16263 |
| 35 | 1827826 |
| 36 | 10335325 |
| 37 | 1401400 |
| 38 | 1 |
| 39 | 32631 |
| 40 | 5903898 |
| 41 | 57962905 |
| 42 | 28028000 |
| 43 | 1 |
| 44 | 65382 |
| 45 | 18682014 |
| 46 | 297797500 |