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 | 729 |
| 2 | 1215 |
| 3 | 1701 |
| 4 | 2025 |
| 5 | 2673 |
| 6 | 2835 |
| 7 | 3159 |
| 8 | 3375 |
| 9 | 3969 |
| 10 | 4131 |
| 11 | 4455 |
| 12 | 4617 |
| 13 | 4725 |
| 14 | 5265 |
| 15 | 5589 |
| 16 | 5625 |
| 17 | 6237 |
| 18 | 6615 |
| 19 | 6885 |
| 20 | 7047 |
| 21 | 7371 |
| 22 | 7425 |
| 23 | 7533 |
| 24 | 7695 |
| 25 | 7875 |
| 26 | 8775 |
| 27 | 8991 |
| 28 | 9261 |
| 29 | 9315 |
| 30 | 9375 |
| 31 | 9639 |
| 32 | 9801 |
| 33 | 9963 |
| 34 | 10395 |
| 35 | 10449 |
| 36 | 10773 |
| 37 | 11025 |
| 38 | 11421 |
| 39 | 11475 |
| 40 | 11583 |