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 | 72 |
| 2 | 729 |
| 3 | 30375 |
| 4 | 750141 |
| 5 | 235782657 |
| 6 | 3502727631 |
| 7 | 634465620819 |
| 8 | 7971951402153 |
| 9 | 1145440056788109 |
| 10 | 1673826273552131487 |
| 11 | 18401108148695065077 |
| 12 | 22808230685096689428039 |
| 13 | 2513755383310987769681163 |
| 14 | 26098726706637459430889889 |
| 15 | 2760530473190044863847909701 |