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 | 1 |
| 2 | 57 |
| 3 | 9367 |
| 4 | 3039037 |
| 5 | 1631142633 |
| 6 | 1306299636853 |
| 7 | 1458563053824871 |
| 8 | 2164056543968020185 |
| 9 | 4116264432907357578961 |
| 10 | 9762542731516508922640177 |
| 11 | 28237035023990471230544779095 |
| 12 | 97815632146487780258222172635029 |