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 | 2 |
| 2 | 7 |
| 3 | 31 |
| 4 | 67 |
| 5 | 908821 |
| 6 | 6171227123 |
| 7 | 833416212437 |
| 8 | 925518314049349041313 |
| 9 | 366319426867272069390603006331 |
| 10 | 41322662051354105860272734271998443 |