Number of magic and semi-magic squares of order n composed of the numbers from 1 to n^2, counted up to rotations and reflections.
A271103
Number of magic and semi-magic squares of order n composed of the numbers from 1 to n^2, counted up to rotations and reflections.
Terms
- a(0) =1a(1) =0a(2) =9a(3) =68688a(4) =579043051200
External references
- oeis: A271103