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) |
---|---|
0 | 0 |
1 | 1 |
2 | 7 |
3 | 135 |
4 | 35445 |
5 | 44465908998 |
6 | 5112887721516309845621 |
7 | 75234509360529020708450352828794956245887456 |
8 | 5786575206590910267083400178061771765781639734324927167565054640197289842752623499343753 |