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) |
|---|---|
| 0 | 7 |
| 1 | 343 |
| 2 | 16807 |
| 3 | 823543 |
| 4 | 40353607 |
| 5 | 1977326743 |
| 6 | 96889010407 |
| 7 | 4747561509943 |
| 8 | 232630513987207 |
| 9 | 11398895185373143 |
| 10 | 558545864083284007 |
| 11 | 27368747340080916343 |
| 12 | 1341068619663964900807 |
| 13 | 65712362363534280139543 |
| 14 | 3219905755813179726837607 |
| 15 | 157775382034845806615042743 |