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 | 35 |
| 1 | 224 |
| 2 | 840 |
| 3 | 2400 |
| 4 | 5775 |
| 5 | 12320 |
| 6 | 24024 |
| 7 | 43680 |
| 8 | 75075 |
| 9 | 123200 |
| 10 | 194480 |
| 11 | 297024 |
| 12 | 440895 |
| 13 | 638400 |
| 14 | 904400 |
| 15 | 1256640 |
| 16 | 1716099 |
| 17 | 2307360 |
| 18 | 3059000 |
| 19 | 4004000 |
| 20 | 5180175 |
| 21 | 6630624 |
| 22 | 8404200 |
| 23 | 10556000 |
| 24 | 13147875 |
| 25 | 16248960 |
| 26 | 19936224 |
| 27 | 24295040 |
| 28 | 29419775 |