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 | 59049 |
| 1 | 3200000 |
| 2 | 28629151 |
| 3 | 130691232 |
| 4 | 418195493 |
| 5 | 1073741824 |
| 6 | 2373046875 |
| 7 | 4704270176 |
| 8 | 8587340257 |
| 9 | 14693280768 |
| 10 | 23863536599 |
| 11 | 37129300000 |
| 12 | 55730836701 |
| 13 | 81136812032 |
| 14 | 115063617043 |
| 15 | 159494694624 |