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 | 27924649 |
| 2 | 130535031 |
| 3 | 952404259 |
| 4 | 8755399858 |
| 5 | 17207421669 |
| 6 | 78641539396 |
| 7 | 153703346251 |
| 8 | 302665883230 |
| 9 | 1141282588378 |
| 10 | 1408219987879 |