1. Magic hexagonA magic hexagon of order n is an arrangement of numbers in a centered hexagonal pattern with n cells on each edge, in such a way that the numbers in each row, in all three directions, sum to the same magic constant. A normal magic hexagon contains the consecutive integers from 1 to 3n − 3n + 1. It turns out that magic hexagons exist only for n = 1 (which is trivial) and n = 3. Moreover, the solution of order 3 is essentially unique. Meng also gave a less intricate constructive proof.
Read “Magic hexagon” on English Wikipedia
Read “魔六角陣” on Japanese Wikipedia
Read “Magic hexagon” on DBpedia
Read “Magic hexagon” on English Wikipedia
Read “魔六角陣” on Japanese Wikipedia
Read “Magic hexagon” on DBpedia
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