March 12, 21: Palindromic Day – 12321
March 13, 21: Perfect Square of Square – 130321 := 194
March 14, 21: 3.14.21 (American Style) – Pi Day
References:
- Inder J. Taneja, Palindromic, Patterned Magic Sums, Composite, and Colored Patterns in Magic Squares. Zenodo, February 2, 2019, pp. 1-99, http://doi.org/10.5281/zenodo.2555741
- Inder J. Taneja, Perfect Square Sum Magic Squares, Zenodo, April 29, 2019, pp. 1-65, http://doi.org/10.5281/zenodo.2653927
- Inder J. Taneja, Fractional and Decimal Type Bordered Magic Squares With Magic Sum 2020. Zenodo, January 20, 2020, pp.1-25, http://doi.org/10.5281/zenodo.3613698.
- Inder J. Taneja, Fractional and Decimal Type Bordered Magic Squares With Magic Sum 2021, Zenodo, December 16, 2020, pp. 1-33, http://doi.org/10.5281/zenodo.4327333
- Inder J. Taneja, Bordered Magic Squares With Order Square Magic Sums, Zenodo, January 20, 2020, pp. 1-26, http://doi.org/10.5281/zenodo.3613690.
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