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 | 1999066711391 |
| 2 | 2636673539579 |
| 3 | 3122297178449 |
| 4 | 4233023119991 |
| 5 | 4235725694999 |
| 6 | 4858710857681 |
| 7 | 5400576157877 |
| 8 | 5444462267039 |
| 9 | 5677577653031 |
| 10 | 7020864564479 |
| 11 | 7183460847791 |
| 12 | 7193762869919 |
| 13 | 7347344126141 |
| 14 | 7400390925491 |
| 15 | 7810943851019 |
| 16 | 7889498850089 |
| 17 | 7918641256541 |
| 18 | 8389062763121 |