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 | 1 |
| 2 | 496 |
| 3 | 5411 |
| 4 | 160807 |
| 5 | 5249045 |
| 6 | 179884814 |
| 7 | 6323564388 |
| 8 | 224091914399 |
| 9 | 7966090548780 |
| 10 | 283582960504149 |
| 11 | 10101258867472961 |
| 12 | 359903623078870120 |
| 13 | 12824695714808614687 |
| 14 | 457013934122432156738 |
| 15 | 16286250681449999285061 |