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 | 25 |
| 2 | 625 |
| 3 | 11092 |
| 4 | 192575 |
| 5 | 3425501 |
| 6 | 61164640 |
| 7 | 1090023439 |
| 8 | 19411973287 |
| 9 | 345764258689 |
| 10 | 6159551322461 |
| 11 | 109726321617078 |
| 12 | 1954613166621694 |
| 13 | 34818594738203574 |
| 14 | 620246036769753113 |
| 15 | 11048844392776786913 |