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 | 14 |
| 3 | 273 |
| 4 | 5936 |
| 5 | 137340 |
| 6 | 3307878 |
| 7 | 81972296 |
| 8 | 2075032808 |
| 9 | 53403322203 |
| 10 | 1392729138920 |
| 11 | 36718293579198 |
| 12 | 976872759337356 |
| 13 | 26189947759482689 |
| 14 | 706808197553825794 |