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 | 0 |
| 2 | 8 |
| 3 | 94 |
| 4 | 1004 |
| 5 | 14864 |
| 6 | 334536 |
| 7 | 11546874 |
| 8 | 629381852 |
| 9 | 56094263348 |
| 10 | 8343512638896 |
| 11 | 2074276200162230 |
| 12 | 853966325494701152 |
| 13 | 578432462293854136504 |
| 14 | 646135466408339553958096 |
| 15 | 1200595044818176185884236342 |