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 | 14 |
| 2 | 75 |
| 3 | 260 |
| 4 | 700 |
| 5 | 1596 |
| 6 | 3234 |
| 7 | 6000 |
| 8 | 10395 |
| 9 | 17050 |
| 10 | 26741 |
| 11 | 40404 |
| 12 | 59150 |
| 13 | 84280 |
| 14 | 117300 |
| 15 | 159936 |
| 16 | 214149 |
| 17 | 282150 |
| 18 | 366415 |
| 19 | 469700 |
| 20 | 595056 |
| 21 | 745844 |
| 22 | 925750 |
| 23 | 1138800 |
| 24 | 1389375 |
| 25 | 1682226 |
| 26 | 2022489 |
| 27 | 2415700 |
| 28 | 2867810 |
| 29 | 3385200 |
| 30 | 3974696 |
| 31 | 4643584 |