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 | 16 |
| 2 | 81 |
| 3 | 255 |
| 4 | 623 |
| 5 | 1293 |
| 6 | 2397 |
| 7 | 4091 |
| 8 | 6555 |
| 9 | 9993 |
| 10 | 14633 |
| 11 | 20727 |
| 12 | 28551 |
| 13 | 38405 |
| 14 | 50613 |
| 15 | 65523 |
| 16 | 83507 |
| 17 | 104961 |
| 18 | 130305 |
| 19 | 159983 |
| 20 | 194463 |
| 21 | 234237 |
| 22 | 279821 |
| 23 | 331755 |
| 24 | 390603 |
| 25 | 456953 |
| 26 | 531417 |
| 27 | 614631 |
| 28 | 707255 |
| 29 | 809973 |
| 30 | 923493 |
| 31 | 1048547 |
| 32 | 1185891 |
| 33 | 1336305 |