Day: January 21, 2021

21st Day of the Year 21st of the 21st Century: Magic Square of Order 21 With Magic Sum 21

References: Inder J. Taneja, Colored Patterns With 2021 On a Board of 9×9,×9/ Inder J. Taneja, Block-Wise and Block-Bordered Magic and Bimagic Squares With Magic Sums 21, 21^2 and 2021, Inder J. Taneja, Fractional and Decimal Type Bordered Magic Squares With Magic Sum 2021, . Also refers: Inder J. Taneja, Fractional […]