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 | 5 |
| 2 | 65 |
| 3 | 1364 |
| 4 | 40754 |
| 5 | 1774409 |
| 6 | 58524465 |
| 7 | 5327923964 |
| 8 | 555409903685 |
| 9 | 70367042561529 |
| 10 | 5819629108725509 |
| 11 | 567969628457303709 |