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 | 8 |
| 2 | 64 |
| 3 | 484 |
| 4 | 3592 |
| 5 | 26440 |
| 6 | 193852 |
| 7 | 1418740 |
| 8 | 10378144 |
| 9 | 75944464 |
| 10 | 556295860 |
| 11 | 4080955516 |
| 12 | 29994246136 |
| 13 | 220942982968 |
| 14 | 1631599880428 |
| 15 | 12082194095812 |
| 16 | 89736369169168 |
| 17 | 668588308469152 |
| 18 | 4997804102441956 |
| 19 | 37486765952804428 |