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 | 75898 |
| 3 | 341112 |
| 4 | 356926 |
| 5 | 475856 |
| 6 | 1880370 |
| 7 | 2061748 |
| 8 | 2312092 |
| 9 | 2733014 |
| 10 | 2788032 |
| 11 | 2877652 |
| 12 | 2985036 |
| 13 | 3214654 |
| 14 | 3638450 |
| 15 | 4896418 |
| 16 | 5897794 |
| 17 | 6339004 |
| 18 | 8630170 |
| 19 | 9332124 |
| 20 | 10913140 |
| 21 | 11937916 |