cp's OEIS Frontend

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.

A306817 Number of non-derogatory n X n matrices with elements {-1, 0, 1}.

Table of values

n a(n)
1 3
2 78
3 18942
4 41840168

List of values

[3, 78, 18942, 41840168]