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 | 17479880417 |
| 2 | 158074620437 |
| 3 | 1071796554401 |
| 4 | 1087779101699 |
| 5 | 1153782400787 |
| 6 | 1628444511389 |
| 7 | 2066102452949 |
| 8 | 2083857437327 |
| 9 | 2561560206377 |
| 10 | 3731086236287 |
| 11 | 3751571181929 |
| 12 | 4158362831639 |
| 13 | 4878193583477 |
| 14 | 5008751356547 |
| 15 | 5378606656847 |
| 16 | 5531533689527 |
| 17 | 7020090738707 |
| 18 | 7036216236989 |