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 | 0 |
| 2 | 2955 |
| 3 | 49995 |
| 4 | 10365589 |
| 5 | 75418384 |
| 6 | 2592877410 |
| 7 | 100661113419 |
| 8 | 3989342709778 |
| 9 | 2826734132736 |
| 10 | 78074715540102 |