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 | 0 |
| 2 | 512 |
| 3 | 19683 |
| 4 | 512 |
| 5 | 1953125 |
| 6 | 20195 |
| 7 | 40353607 |
| 8 | 512 |
| 9 | 19683 |
| 10 | 1953637 |
| 11 | 2357947691 |
| 12 | 20195 |
| 13 | 10604499373 |
| 14 | 40354119 |
| 15 | 1972808 |
| 16 | 512 |
| 17 | 118587876497 |
| 18 | 20195 |
| 19 | 322687697779 |
| 20 | 1953637 |
| 21 | 40373290 |
| 22 | 2357948203 |
| 23 | 1801152661463 |
| 24 | 20195 |
| 25 | 1953125 |
| 26 | 10604499885 |
| 27 | 19683 |
| 28 | 40354119 |
| 29 | 14507145975869 |
| 30 | 1973320 |
| 31 | 26439622160671 |
| 32 | 512 |
| 33 | 2357967374 |