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A172854
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Number of n X n 0..5 arrays with row sums 13 and column sums 13
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1
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0, 0, 21, 305872, 50984927470, 47703798786066840, 209367461452656000222414, 3715952487541217998469935646848, 235540792783974946951038854447958540420, 48023201408596246269169102263301826304599932800
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