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 | 1 |
| 2 | 27 |
| 3 | 702 |
| 4 | 1107 |
| 5 | 1431 |
| 6 | 2187 |
| 7 | 3375 |
| 8 | 3456 |
| 9 | 4266 |
| 10 | 5157 |
| 11 | 5805 |
| 12 | 6561 |
| 13 | 6831 |
| 14 | 7668 |
| 15 | 8073 |
| 16 | 11313 |
| 17 | 11961 |
| 18 | 12771 |
| 19 | 12825 |
| 20 | 13149 |
| 21 | 13176 |
| 22 | 13257 |
| 23 | 14526 |
| 24 | 14715 |
| 25 | 14796 |
| 26 | 15039 |
| 27 | 16011 |
| 28 | 16227 |
| 29 | 16497 |
| 30 | 17388 |
| 31 | 17496 |
| 32 | 17631 |
| 33 | 19251 |
| 34 | 19332 |
| 35 | 19413 |
| 36 | 20223 |
| 37 | 20277 |
| 38 | 20871 |
| 39 | 20952 |
| 40 | 21654 |