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 | 10 |
| 2 | 24 |
| 3 | 2 |
| 4 | 948 |
| 5 | 36 |
| 6 | 190972 |
| 7 | 3020 |
| 8 | 194618700 |
| 9 | 929380 |
| 10 | 1018751442652 |
| 11 | 1744283776 |
| 12 | 27189851221308572 |
| 13 | 15262275217840 |