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 | -9 |
| 1 | -10 |
| 2 | -8 |
| 3 | 73 |
| 4 | 82 |
| 5 | 5905 |
| 6 | 91 |
| 7 | 478297 |
| 8 | 6562 |
| 9 | 530713 |
| 10 | 7381 |
| 11 | 3138105961 |
| 12 | 6481 |
| 13 | 254186582833 |
| 14 | 597871 |
| 15 | 47763361 |
| 16 | 43046722 |
| 17 | 1667718169966657 |
| 18 | 532171 |
| 19 | 135085171767299209 |
| 20 | 42521761 |
| 21 | 313380653041 |
| 22 | 3922632451 |