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 | 5 |
| 2 | 281 |
| 3 | 461 |
| 4 | 4937 |
| 5 | 25367 |
| 6 | 75997 |
| 7 | 1193909 |
| 8 | 3464389 |
| 9 | 48591863 |
| 10 | 23674667 |
| 11 | 22486333 |
| 12 | 1648510979 |
| 13 | 12708853771 |
| 14 | 25139472583 |
| 15 | 53498475287 |