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 | 121 |
| 2 | 671 |
| 3 | 1331 |
| 4 | 3721 |
| 5 | 7271 |
| 6 | 7381 |
| 7 | 14641 |
| 8 | 40321 |
| 9 | 40931 |
| 10 | 73271 |
| 11 | 79981 |
| 12 | 81191 |
| 13 | 122771 |
| 14 | 161051 |
| 15 | 177221 |
| 16 | 183271 |
| 17 | 226981 |
| 18 | 406321 |
| 19 | 436921 |
| 20 | 443531 |
| 21 | 450241 |
| 22 | 680821 |
| 23 | 727771 |
| 24 | 805981 |
| 25 | 879791 |
| 26 | 893101 |
| 27 | 982771 |
| 28 | 1016321 |
| 29 | 1227721 |
| 30 | 1350481 |
| 31 | 1771561 |