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 | 14 |
| 2 | 182 |
| 3 | 2366 |
| 4 | 30758 |
| 5 | 399763 |
| 6 | 5195736 |
| 7 | 67529280 |
| 8 | 877681896 |
| 9 | 11407280976 |
| 10 | 148261073142 |
| 11 | 1926957516120 |
| 12 | 25044775341768 |
| 13 | 325508355356184 |
| 14 | 4230650423530440 |
| 15 | 54986001777229068 |
| 16 | 714656161291232160 |