1. 260 (number)260 (two hundred sixty) is the magic constant of the n×n normal magic square and n-queens problem for n = 8, the size of an actual chess board. 260 is also the magic constant of the Franklin magic square devised by Benjamin Franklin. The minor diagonal gives 260, and in addition a number of combinations of two half diagonals of four numbers from a corner to the center give 260. 260 may also refer to the years AD 260 and 260 BC.
Read “260 (number)” on English Wikipedia
Read “260” on Japanese Wikipedia
Read “260 (number)” on DBpedia
Read “260 (number)” on English Wikipedia
Read “260” on Japanese Wikipedia
Read “260 (number)” on DBpedia
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