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 | 2476099 |
| 3 | 361 |
| 4 | 47045881 |
| 5 | 5480386857784802185939 |
| 6 | 6859 |
| 7 | 799006685782884121 |
| 8 | 893871739 |
| 9 | 93076495688256089536609610280499 |
| 10 | 104127350297911241532841 |
| 11 | 116490258898219 |
| 12 | 12129821994589221844500501021364910179 |
| 13 | 130321 |