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 | 3 |
| 3 | 48 |
| 4 | 73 |
| 5 | 436 |
| 6 | 23494 |
| 7 | 37381 |
| 8 | 621706 |
| 9 | 781913 |
| 10 | 2351612 |
| 11 | 49301348 |
| 12 | 96493921 |
| 13 | 141630007 |