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A159361
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Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 5
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1
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68, 3974, 489344, 11519386, 120219092, 783628988, 3750168768, 14410898388, 46984276484, 134788006082, 348991646336, 830716777310, 1843200453460, 3853005291320, 7651988628800, 14534976588312, 26551869394500
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