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 | 16 |
| 2 | 256 |
| 3 | 2032 |
| 4 | 13452 |
| 5 | 99721 |
| 6 | 795741 |
| 7 | 6254245 |
| 8 | 48152625 |
| 9 | 370592973 |
| 10 | 2865971562 |
| 11 | 22186038788 |
| 12 | 171581957421 |
| 13 | 1326434442623 |
| 14 | 10255698509420 |
| 15 | 79304524508802 |
| 16 | 613232220011159 |
| 17 | 4741748954099224 |
| 18 | 36664951063937325 |
| 19 | 283508828799113387 |