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 | 98 |
| 2 | 4753 |
| 3 | 152096 |
| 4 | 3612280 |
| 5 | 67910864 |
| 6 | 1052618392 |
| 7 | 13834413152 |
| 8 | 157366449604 |
| 9 | 1573664496040 |
| 10 | 14005614014756 |
| 11 | 112044912118048 |
| 12 | 812325612855848 |
| 13 | 5373846361969456 |
| 14 | 32626924340528840 |
| 15 | 182710776306961504 |
| 16 | 947812152092362802 |
| 17 | 4571799792445514692 |