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 | 240 |
| 2 | 2208 |
| 3 | 44760 |
| 4 | 785124 |
| 5 | 13031664 |
| 6 | 208867428 |
| 7 | 3266423688 |
| 8 | 50155587360 |
| 9 | 759280601376 |
| 10 | 11364951702132 |
| 11 | 168545724611088 |
| 12 | 2480433137331636 |
| 13 | 36267257458624740 |
| 14 | 527333427504496308 |
| 15 | 7630684978884541020 |