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 | 1 |
| 1 | 26 |
| 2 | 677 |
| 3 | 17628 |
| 4 | 459005 |
| 5 | 11951758 |
| 6 | 311204713 |
| 7 | 8103274296 |
| 8 | 210996336409 |
| 9 | 5494008020930 |
| 10 | 143055204880589 |
| 11 | 3724929334916244 |
| 12 | 96991217912702933 |
| 13 | 2525496595065192502 |
| 14 | 65759902689607707985 |
| 15 | 1712282966524865600112 |
| 16 | 44585117032336113310897 |