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 | 0 |
| 2 | 3 |
| 3 | 27 |
| 4 | 108 |
| 5 | 300 |
| 6 | 675 |
| 7 | 1323 |
| 8 | 2352 |
| 9 | 3888 |
| 10 | 6075 |
| 11 | 9075 |
| 12 | 13068 |
| 13 | 18252 |
| 14 | 24843 |
| 15 | 33075 |
| 16 | 43200 |
| 17 | 55488 |
| 18 | 70227 |
| 19 | 87723 |
| 20 | 108300 |
| 21 | 132300 |
| 22 | 160083 |
| 23 | 192027 |
| 24 | 228528 |
| 25 | 270000 |
| 26 | 316875 |
| 27 | 369603 |
| 28 | 428652 |
| 29 | 494508 |
| 30 | 567675 |
| 31 | 648675 |
| 32 | 738048 |
| 33 | 836352 |
| 34 | 944163 |
| 35 | 1062075 |
| 36 | 1190700 |