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 | 0 |
| 1 | 0 |
| 2 | 5 |
| 3 | 27 |
| 4 | 84 |
| 5 | 200 |
| 6 | 405 |
| 7 | 735 |
| 8 | 1232 |
| 9 | 1944 |
| 10 | 2925 |
| 11 | 4235 |
| 12 | 5940 |
| 13 | 8112 |
| 14 | 10829 |
| 15 | 14175 |
| 16 | 18240 |
| 17 | 23120 |
| 18 | 28917 |
| 19 | 35739 |
| 20 | 43700 |
| 21 | 52920 |
| 22 | 63525 |
| 23 | 75647 |
| 24 | 89424 |
| 25 | 105000 |
| 26 | 122525 |
| 27 | 142155 |
| 28 | 164052 |
| 29 | 188384 |
| 30 | 215325 |
| 31 | 245055 |
| 32 | 277760 |
| 33 | 313632 |
| 34 | 352869 |
| 35 | 395675 |
| 36 | 442260 |