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 | 16384 |
| 2 | 10000000 |
| 3 | 279128617 |
| 4 | 2780848289 |
| 5 | 17642791909 |
| 6 | 90682660877 |
| 7 | 424124440444 |
| 8 | 1895527656502 |
| 9 | 8186764103582 |
| 10 | 33998418651060 |
| 11 | 134714450368164 |
| 12 | 506671733476920 |
| 13 | 1805110329656189 |
| 14 | 6093246282673576 |
| 15 | 19519515186829602 |