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 | 16 |
| 2 | 256 |
| 3 | 1723 |
| 4 | 8496 |
| 5 | 50024 |
| 6 | 357323 |
| 7 | 2482591 |
| 8 | 15915001 |
| 9 | 100745265 |
| 10 | 655633882 |
| 11 | 4322765564 |
| 12 | 28292943180 |
| 13 | 183873191611 |
| 14 | 1195974189947 |
| 15 | 7802581300173 |
| 16 | 50931021729006 |
| 17 | 332106212299242 |
| 18 | 2164490825527781 |
| 19 | 14110729853099870 |