The existence of two simple perfect square-cylinders of order 20 is discussed. So far, the lowest order simple perfect square-cylinders known, are of order 24, due to [1.]

Augusteijn, A.

Duijvestijn, A.J.W.

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University of Twente Research Information

English

A lowest order simple perfect 2 x 1 squared rectangle,

A Method for Finding Simple Perfect Squared Squarings,” Thesis,

Algorithmic Calculation of the Order of the Automorphismgroup of a Graph,” Memorandum 220,

Compound perfect squares,

Electronic Computation of Squared Rectangles,”

Simple perfect squared square of lowest order,

Simple perfect square-cylinders of low order