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 | 3 |
2 | 14159 |
3 | 26535897932384626433832795028841971693993751058209 |
4 | 74944592307816406286208998628034825342117067982148086513282306647093 |