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 | 49 |
| 2 | 343 |
| 3 | 16807 |
| 4 | 823543 |
| 5 | 1977326743 |
| 6 | 96889010407 |
| 7 | 232630513987207 |
| 8 | 11398895185373143 |
| 9 | 27368747340080916343 |
| 10 | 3219905755813179726837607 |
| 11 | 157775382034845806615042743 |
| 12 | 18562115921017574302453163671207 |
| 13 | 44567640326363195900190045974568007 |