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 | 21 |
| 1 | 84 |
| 2 | 216 |
| 3 | 450 |
| 4 | 825 |
| 5 | 1386 |
| 6 | 2184 |
| 7 | 3276 |
| 8 | 4725 |
| 9 | 6600 |
| 10 | 8976 |
| 11 | 11934 |
| 12 | 15561 |
| 13 | 19950 |
| 14 | 25200 |
| 15 | 31416 |
| 16 | 38709 |
| 17 | 47196 |
| 18 | 57000 |
| 19 | 68250 |
| 20 | 81081 |
| 21 | 95634 |
| 22 | 112056 |
| 23 | 130500 |
| 24 | 151125 |
| 25 | 174096 |
| 26 | 199584 |
| 27 | 227766 |
| 28 | 258825 |
| 29 | 292950 |
| 30 | 330336 |
| 31 | 371184 |
| 32 | 415701 |
| 33 | 464100 |
| 34 | 516600 |
| 35 | 573426 |
| 36 | 634809 |
| 37 | 700986 |