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 | 400 |
1 | 1280000000 |
2 | 4096000000000000 |
3 | 13107200000000000000000 |
4 | 41943040000000000000000000000 |
5 | 134217728000000000000000000000000000 |
6 | 429496729600000000000000000000000000000000 |
7 | 1374389534720000000000000000000000000000000000000 |