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 | 4 |
| 2 | 86 |
| 3 | 32762 |
| 4 | 67231 |
| 5 | 76322 |
| 6 | 693956 |
| 7 | 900097 |
| 8 | 7295105 |
| 9 | 9068525 |
| 10 | 3664355432 |
| 11 | 6335644561 |
| 12 | 8015841979 |
| 13 | 8419801579 |
| 14 | 9900000997 |
| 15 | 3252382148828 |
| 16 | 6747617851165 |
| 17 | 7253863787097 |
| 18 | 9474890578438 |
| 19 | 9981136514370 |