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 | 1 |
| 1 | 89 |
| 2 | 12816 |
| 3 | 1493064 |
| 4 | 187628376 |
| 5 | 22890661872 |
| 6 | 2824135408458 |
| 7 | 346934172869802 |
| 8 | 42689423937884208 |
| 9 | 5249543573067466872 |
| 10 | 645693859487298425256 |
| 11 | 79413089729752455762384 |
| 12 | 9767258556969762111163771 |
| 13 | 1201288963378036364032704659 |
| 14 | 147748983166877427393815516256 |