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 | 1232 |
| 4 | 5929 |
| 5 | 44121 |
| 6 | 328329 |
| 7 | 2047902 |
| 8 | 12773476 |
| 9 | 85393582 |
| 10 | 570875449 |
| 11 | 3711466941 |
| 12 | 24129583569 |
| 13 | 158646920796 |
| 14 | 1043070030864 |
| 15 | 6826658594148 |
| 16 | 44678944061361 |
| 17 | 292963768764021 |
| 18 | 1920989217886281 |
| 19 | 12586269890069730 |