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) |
|---|---|
| 2 | 722 |
| 3 | 9922 |
| 4 | 155682 |
| 5 | 2540032 |
| 6 | 41934482 |
| 7 | 694861522 |
| 8 | 11527389122 |
| 9 | 191304901282 |
| 10 | 3175220160032 |
| 11 | 52703408458882 |
| 12 | 874800747092322 |
| 13 | 14520494659638322 |
| 14 | 241020661471736882 |
| 15 | 4000620276282860032 |
| 16 | 66404949893677073282 |
| 17 | 1102233473331064193122 |
| 18 | 18295603728585969257522 |