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 | -128 |
3 | -5038848 |
4 | 140737488355328 |
5 | 5000000000000000000000000 |
6 | -354400937492545922690672153504784580608 |
7 | -72317557999158469111384459491956546088110808312359944192 |
8 | 57896044618658097711785492504343953926634992332820282019728792003956564819968 |