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Search: id:A120277
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| A120277 |
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Sum of all matrix elements of n X N matrix M[i,j]=(2n+i+j)!/(n+i)!/(n+j)!, i,j=1..n. |
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| 6, 160, 2842, 44868, 681604, 10248992, 154149762, 2327405740, 35305388536, 538000530912, 8231764528156, 126399786937760, 1946868985459272, 30066806831424448, 465425347391123282, 7219408741591089660
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