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 | 20 |
| 2 | 104 |
| 3 | 945 |
| 4 | 2210 |
| 5 | 2584 |
| 6 | 8415 |
| 7 | 10184 |
| 8 | 12104 |
| 9 | 15368 |
| 10 | 86272 |
| 11 | 133484 |
| 12 | 135470 |
| 13 | 140668 |
| 14 | 643336 |
| 15 | 700256 |
| 16 | 1149952 |
| 17 | 2410816 |
| 18 | 2434888 |
| 19 | 5924032 |
| 20 | 6100605 |
| 21 | 7623872 |
| 22 | 8531144 |
| 23 | 8760424 |
| 24 | 9405045 |
| 25 | 10471755 |
| 26 | 14803216 |
| 27 | 16283085 |
| 28 | 21506432 |
| 29 | 26919250 |
| 30 | 34441946 |
| 31 | 35622016 |
| 32 | 36064964 |