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 | 32 |
| 2 | 592 |
| 3 | 8128 |
| 4 | 91464 |
| 5 | 888640 |
| 6 | 7695744 |
| 7 | 60684736 |
| 8 | 442387620 |
| 9 | 3015281632 |
| 10 | 19383646944 |
| 11 | 118336634048 |
| 12 | 689923993024 |
| 13 | 3859022174784 |
| 14 | 20788192441664 |
| 15 | 108201765333888 |
| 16 | 545685611817866 |
| 17 | 2672946940511488 |