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.

A266237 Number of magic squares of order n composed of the numbers from 1 to n^2, counted up to rotations, reflections, and M-transformations.

Table of values

n a(n)
1 1
2 0
3 1
4 220
5 68826306
6 739745383235859818

List of values

[1, 0, 1, 220, 68826306, 739745383235859818]