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 | 1 |
2 | 128 |
3 | 67108864 |
4 | 9223372036854775808 |
5 | 21267647932558653966460912964485513216 |
6 | 52656145834278593348959013841835216159447547700274555627155488768 |