Abstract
It is proved that the set of all semi pandiagonal 4 × 4-squares precisely consists of 3456 squares belonging to three orbits under the faithful action of a group of order 1152 which is a semi direct product of symmetric groups.
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Dedicated to Professor Herbert Zeitler on the occasion of his 80th birthday
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Al-ashhab, S., Müller, W. Semi pandiagonal magic 4 × 4-squares. Results. Math. 44, 25–28 (2003). https://doi.org/10.1007/BF03322908
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DOI: https://doi.org/10.1007/BF03322908