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 | 3 |
| 2 | 22 |
| 3 | 139 |
| 4 | 877 |
| 5 | 6235 |
| 6 | 46105 |
| 7 | 352155 |
| 8 | 2747284 |
| 9 | 21831323 |
| 10 | 175881412 |
| 11 | 1432781905 |
| 12 | 11778245565 |
| 13 | 97558533214 |
| 14 | 813253056497 |