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 | 26 |
| 2 | 728 |
| 3 | 19656 |
| 4 | 531414 |
| 5 | 14348152 |
| 6 | 387419760 |
| 7 | 10460332792 |
| 8 | 282429516096 |
| 9 | 7625596933890 |
| 10 | 205891131543552 |
| 11 | 5559060551656248 |
| 12 | 150094635282119528 |
| 13 | 4052555152616676888 |
| 14 | 109418989131110078784 |
| 15 | 2954312706539971597184 |
| 16 | 79766443076861647780830 |