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 | 10000000 |
| 1 | 1801088541 |
| 2 | 34359738368 |
| 3 | 271818611107 |
| 4 | 1338925209984 |
| 5 | 4902227890625 |
| 6 | 14645194571776 |
| 7 | 37725479487783 |
| 8 | 86812553324672 |
| 9 | 182803912081669 |
| 10 | 358318080000000 |
| 11 | 662062621900811 |
| 12 | 1164175380274048 |