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 | 3 |
| 2 | 173 |
| 3 | 264 |
| 4 | 964 |
| 5 | 3114 |
| 6 | 31563 |
| 7 | 163187 |
| 8 | 264437 |
| 9 | 16431563 |
| 10 | 96032404423 |
| 11 | 99647694036 |
| 12 | 9813067816077 |
| 13 | 51665201022187 |
| 14 | 51960847753114 |
| 15 | 7935361806302386 |
| 16 | 78883604126137785577 |
| 17 | 47567102808870567435673 |
| 18 | 26395073915340646948470264 |