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 | 3 |
| 2 | 14 |
| 3 | 93 |
| 4 | 822 |
| 5 | 9193 |
| 6 | 125292 |
| 7 | 2022555 |
| 8 | 37829468 |
| 9 | 805712859 |
| 10 | 19270873704 |
| 11 | 511742870653 |
| 12 | 14946235170120 |
| 13 | 476314240239633 |
| 14 | 16451368229689808 |
| 15 | 612254102183085627 |
| 16 | 24428043107239133712 |
| 17 | 1040281158638494489075 |