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 | 768 |
| 2 | 9864 |
| 3 | 253416 |
| 4 | 6053094 |
| 5 | 140497512 |
| 6 | 3193266318 |
| 7 | 71430596250 |
| 8 | 1577976495486 |
| 9 | 34509932303172 |
| 10 | 748499855355192 |
| 11 | 16122334931683590 |
| 12 | 345226129034011068 |
| 13 | 7354858033380328494 |
| 14 | 156000244649213353110 |
| 15 | 3296017711974478218258 |