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 | 85 |
| 2 | 3617 |
| 3 | 48335 |
| 4 | 988589 |
| 5 | 20960485 |
| 6 | 472565771 |
| 7 | 10857153407 |
| 8 | 253641348337 |
| 9 | 5979418257253 |
| 10 | 142075597768273 |
| 11 | 3395164032578079 |
| 12 | 81529069984570623 |
| 13 | 1965470518289395959 |