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 | 913 |
| 2 | 150267335403 |
| 3 | 430558874533 |
| 4 | 14760229232131 |
| 5 | 936916995253453 |