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 | 181 |
| 3 | 6458 |
| 4 | 6460 |
| 5 | 40083 |
| 6 | 40121 |
| 7 | 10553502 |
| 8 | 69709942 |
| 9 | 3140421718 |
| 10 | 3140421737 |
| 11 | 3140421740 |
| 12 | 3140421768 |
| 13 | 3140421805 |
| 14 | 3140421845 |