heterosquare
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Heterosquare — A heterosquare of order n is an arrangement of the integers 1 to n ² in a square, such that the rows, columns, and diagonals all sum to different values. There are no heterosquares of order 2, but heterosquares exist for any order n ≥ 3. Order 3… … Wikipedia
Magic square — In recreational mathematics, a magic square of order n is an arrangement of n2 numbers, usually distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagonals sum to the same constant.[1] A normal magic… … Wikipedia
Antimagic square — An antimagic square of order n is an arrangement of the numbers 1 to n ² in a square, such that the n rows, the n columns and the two diagonals form a sequence of 2 n + 2 consecutive integers. The smallest antimagic squares have order 4. In each… … Wikipedia
List of mathematics articles (H) — NOTOC H H cobordism H derivative H index H infinity methods in control theory H relation H space H theorem H tree Haag s theorem Haagerup property Haaland equation Haar measure Haar wavelet Haboush s theorem Hackenbush Hadamard code Hadamard… … Wikipedia
antimagic square — noun A heterosquare in which the sums form a sequence of consecutive numbers … Wiktionary
