Striped & Semi-Striped Corner Magic Squares

Created by Inder J. Taneja

Choose an order to view one complete magic square. Odd orders have a semi-magic 3×3 core in the upper-left corner. Each striped rectangle is checked for equal row and column sums.

Upper-left core (3×3 odd; 4×4 even)Right rectanglesBottom rectangles

Mathematical details

A rectangle is marked “magic rectangle” only when all its row sums match and all its column sums match.

RegionSizeRow sumsColumn sumsDiagonalsResult

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