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 | 5 |
| 2 | 1379454719 |
| 3 | 14182439039 |
| 4 | 43861478399 |
| 5 | 51001180159 |
| 6 | 153003540479 |
| 7 | 403031236607 |
| 8 | 518666803199 |
| 9 | 275502900594021407 |
| 10 | 69357059049509038079 |
| 11 | 1161492388333469337599 |
| 12 | 1245087725796543283199 |
| 13 | 34384125938411324962897919 |
| 14 | 115131961034430181728489308159 |