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 | 192 |
| 3 | 2936 |
| 4 | 33152 |
| 5 | 434210 |
| 6 | 5528352 |
| 7 | 70125438 |
| 8 | 894288072 |
| 9 | 11389420426 |
| 10 | 145014350614 |
| 11 | 1847290177850 |
| 12 | 23526538305672 |
| 13 | 299648762413814 |
| 14 | 3816489616159674 |
| 15 | 48608803039977948 |
| 16 | 619107558779191608 |