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.
i)^(f_i) (mod (m_1)*(m_2)) is equivalent to solving a == Product's wiki page.
i)^(f_i) (mod (m_1)*(m_2)) is equivalent to solving a == Product has authored 0 sequences.