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 | 282475249 |
| 1 | 3570467226624 |
| 2 | 420707233300201 |
| 3 | 10485760000000000 |
| 4 | 119042423827613001 |
| 5 | 839299365868340224 |
| 6 | 4297625829703557649 |
| 7 | 17490122876598091776 |
| 8 | 59873693923837890625 |
| 9 | 179084769654285362176 |
| 10 | 480682838924478847449 |
| 11 | 1180591620717411303424 |
| 12 | 2692452204196940400601 |