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 | 25 |
| 2 | 375 |
| 3 | 4250 |
| 4 | 40000 |
| 5 | 328255 |
| 6 | 2420250 |
| 7 | 16355625 |
| 8 | 102754175 |
| 9 | 606511425 |
| 10 | 3390891675 |
| 11 | 18072320050 |
| 12 | 92298482475 |
| 13 | 453641400625 |
| 14 | 2153379245600 |
| 15 | 9902221659300 |
| 16 | 44225723552250 |
| 17 | 192274295402250 |