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 | 7 |
| 2 | 11 |
| 3 | 27 |
| 4 | 33 |
| 5 | 45 |
| 6 | 63 |
| 7 | 135 |
| 8 | 165 |
| 9 | 285 |
| 10 | 304 |
| 11 | 345 |
| 12 | 765 |
| 13 | 855 |
| 14 | 964 |
| 15 | 1144 |
| 16 | 1575 |
| 17 | 1744 |
| 18 | 2134 |
| 19 | 2295 |
| 20 | 2805 |
| 21 | 6424 |
| 22 | 6604 |
| 23 | 10725 |
| 24 | 23584 |
| 25 | 24244 |
| 26 | 27645 |
| 27 | 28875 |
| 28 | 31174 |
| 29 | 31354 |
| 30 | 35445 |
| 31 | 40755 |
| 32 | 44164 |
| 33 | 46672 |
| 34 | 57046 |
| 35 | 57057 |
| 36 | 61444 |
| 37 | 64005 |
| 38 | 78975 |
| 39 | 82095 |
| 40 | 90195 |