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 | 627 |
| 3 | 15028 |
| 4 | 360005 |
| 5 | 8623758 |
| 6 | 206577463 |
| 7 | 4948449896 |
| 8 | 118537401609 |
| 9 | 2839498396930 |
| 10 | 68018625641339 |
| 11 | 1629348845225244 |
| 12 | 39030157319430733 |
| 13 | 934945996889162102 |
| 14 | 22396118210466108735 |
| 15 | 536486719624549884112 |